Step: 1

The quantity of milk Victor bought = The quantity of milk Jim and Victor bought together - The quantity of milk Jim bought.

Step: 2

= 3 2 - 1 2 = 3 - 1 2

[Write the difference over the common denominator, 2.]

Step: 3

= 2 2 = 1

[Subtract numerators and simplify.]

Step: 4

Therefore, Victor bought 1 gallon of milk from the store.

Correct Answer is : 1

Step: 1

The weight of cement in the mixture is 9 2 - 4 2 kg.

Step: 2

= 9 - 4 2

[Write the difference over the same denominator, 2.]

Step: 3

= 5 2 kg

[Subtract the numerators.]

Step: 4

The weight of cement in the mortar is 5 2 kg.

Correct Answer is : 5 2 kg

Step: 1

The weight of first baby is 17 5 lb and of second baby is 11 5 lb.

Step: 2

The difference of their weights is 17 5 - 11 5 .

Step: 3

= 1 7 - 1 1 5

[Write the difference over the common denominator, 5.]

Step: 4

= 6 5

[Subtract the numerators.]

Step: 5

The difference between their weights is 6 5 lb.

Correct Answer is : 6 5 lb

Step: 1

Area of land left to be sprayed = total area of the land - area of the land on which pesticide was sprayed

Step: 2

= 9 4 - 2 4

[Substitute the values.]

Step: 3

= 9 - 2 4

[Write the difference over the common denominator, 4.]

Step: 4

= 7 4

[Subtract the numerators.]

Step: 5

Correct Answer is : 7 4 acres

Step: 1

Weight of sand in the bowl = weight of the bowl - weight of the clay and water in the bowl

Step: 2

= 6 5 - 2 5

[Substitute the values.]

Step: 3

= ( 6 - 2 ) 5

[Write the difference over the common denominator 5.]

Step: 4

= 4 5

[Subtract the numerators.]

Step: 5

So the weight of sand in the bowl is 4 5 lb.

Correct Answer is : 4 5 lb

Step: 1

Quantity of paper remained = total quantity of paper the company bought - quantity of paper used

Step: 2

= 9 2 - 4 2

[Substitute the values.]

Step: 3

= 9 - 4 2

[Write the difference 5 over the common denominator.]

Step: 4

= 5 2 tons

[Subtract the numerators.]

Correct Answer is : 5 2 tons

Step: 1

Fraction of salary Sunny spent more than Henry = fraction of salary Sunny spent - fraction of salary Henry spent

Step: 2

= 3 5 - 2 5

[Substitute the values.]

Step: 3

= 3 - 2 5

[Write a difference over the common denominator, 5.]

Step: 4

= 1 5

[Subtract the numerators.]

Step: 5

Sunny spends 1 5 of the salary more than Henry.

Correct Answer is : 1 5

Step: 1

Quantity of vegetables bought by the second person = total quantity of vegetables sold by the storekeeper - quantity of vegetables bought by the first person

Step: 2

= 4 9 - 1 9

[Substitute the values.]

Step: 3

= 4-1 9

[Write the difference over the common denominator, 9.]

Step: 4

= 3 9 = 1 3

[Subtract the numerators and simplify the fraction.]

Step: 5

So, the second person bought 1 3 kg of vegetables.

Correct Answer is : 1 3 kg

Step: 1

Difference between the weights of the dogs = weight of Snoopy - weight of Gipsy

Step: 2

= 9 4 - 2 4

[Substitute the values.]

Step: 3

= 9 - 2 4

[Write the difference over the common denominator, 4.]

Step: 4

= 7 4

[Subtract the numerators.]

Step: 5

The difference between the weights of Snoopy and Gipsy is 7 4 lb.

Correct Answer is : 7 4 lb

Step: 1

Weight of the potatoes that were not rotten = total weight of the potatoes - weight of the potatoes that were rotten

Step: 2

= 8 5 - 6 5

[Substitute the values.]

Step: 3

= 8 - 6 5

[Write the difference over the common denominator,5.]

Step: 4

= 2 5

[Subtract the numerators.]

Step: 5

Correct Answer is : 2 5 pounds

Step: 1

The difference between the number of apples they ate = 15 7 - 5 7

Step: 2

= 1 5 - 5 7

[Write the difference over the common denominator.]

Step: 3

= 10 7

[Subtract the numerators.]

Step: 4

So, Ed ate 10 7 of the apple more than Bill.

Correct Answer is : 10 7

Step: 1

Milk left = Milk Danielle bought - Milk she used = 4 7 - 1 7

Step: 2

= ( 4 - 1 ) 7 = 3 7

[Subtract the numerators and write the same denominator.]

Step: 3

So, 3 7 cup of milk is left.

Correct Answer is : 3 7

Step: 1

The weight of watermelon more than that of pineapple = weight of watermelon - weight of pineapple = 2 3 - 1 3 .

Step: 2

= (2-1) 3 = 1 3

[Subtract the numerators and write the same denominator.]

Step: 3

So, the watermelon weighs 1 3 pounds more than pineapple.

Correct Answer is : watermelon, by 1 3 pounds

Step: 1

Difference between the fractions of chocolates eaten = fraction of chocolates Rachel ate - fraction of chocolates her friend ate = 3 7 - 2 7

[Substitute the fractions.]

Step: 2

= ( 3 - 2 ) 7 = 1 7

[Subtract the numerators and write the same denominator.]

Step: 3

So, the difference between the fractions of chocolates eaten is 1 7 .

Correct Answer is : 1 7

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