Step: 1

The part of watermelon that Andy ate is 1 9 .

Step: 2

The part of watermelon that Ed ate is 4 9 .

Step: 3

The part of watermelon they eat = 1 9 + 4 9

Step: 4

= 1 + 4 9 = 5 9

[Denominators are equal. So, add the numerators.]

Step: 5

The part of watermelon they ate together is 5 9 .

Correct Answer is : 5 9

Step: 1

The part of the book read by William on the first day = 1 7

Step: 2

The part of book read by him on the second day = 4 7

Step: 3

The total part of the book read by him is 1 7 + 4 7 .

Step: 4

The denominators are same. So, add the numerators.

Step: 5

= 1 + 4 7 = 5 7

[Add.]

Step: 6

William has finished reading 5 7 ^{th} part of the book.

Correct Answer is : 5 7

Step: 1

The portion of the tank filled by the tap in two hours = 5 7

Step: 2

The portion of the tank filled in the next two hours = 1 7

Step: 3

The portion of the tank filled in the four hours = 5 7 + 1 7

Step: 4

[Add the numerators and keep the denominator same.]

Step: 5

The portion of the tank filled in four hours = 6 7

Correct Answer is : 6 7

Step: 1

Work done by the person in the first week = 3 10

Step: 2

Work done by the person in the second week = 1 10

Step: 3

Total work done by the person in the past two weeks = 3 10 + 1 10

Step: 4

3 + 1 = 4

[Denominators are equal. So, add the numerators.]

Step: 5

Step: 6

[Divide.]

Step: 7

The work done by the person during the two weeks = 2 5 .

Correct Answer is : 2 5

Step: 1

Salary spent in the first two weeks = 3 7

Step: 2

Salary spent in the next two weeks = 2 7

Step: 3

The total part of salary spent in the month = 3 7 + 2 7

Step: 4

= 3 + 2 7 = 5 7

[Denominators are equal. So, add the numerators.]

Step: 5

Frank spent 5 7 of the total part of salary in the month.

Correct Answer is : 5 7

Step: 1

Part of apple given by Justin's mother to him before going to school = 1 3

Step: 2

Part of apple given to him after he returned from the school = 2 3

Step: 3

The part of the apple he got in total = 1 3 + 2 3

Step: 4

= (1+2) 3

[Denominators are equal.]

Step: 5

= 3 3 = 1

Step: 6

Justin ate one whole apple.

Correct Answer is : whole apple

Step: 1

The time Emily spends studying and playing = the time she spends studying + the time she spends playing = 3 10 + 1 10 .

Step: 2

= 3 + 1 1 0 = 4 10

[As the denominators of the fractions are equal, just add the numerators 3 and 1.]

Step: 3

= 4 ÷ 2 1 0 ÷ 2 = 2 5

[Simplify the fraction by dividing both the numerator and the denominator by 2.]

Step: 4

So, Emily spends 2 5 of her day studying and playing.

Correct Answer is : 2 5 of the day

Step: 1

Total milk used = Milk used for making one recipe + Milk used for making another recipe = 1 5 + 1 5

[Substitute the fractions.]

Step: 2

= (1 + 1) 5 = 2 5

[As the denominators of the fractions are equal, just add the numerators 1 and 1.]

Step: 3

So, Quincy used 2 5 cup of milk.

Correct Answer is : 2 5 cup

Step: 1

The weight of watermelon and pineapple = Weight of watermelon + Weight of pineapple = 7 11 + 3 11

Step: 2

= (7+3) 11 = 10 11

[As the denominators of the fractions are equal, just add the numerators 7 and 3.]

Step: 3

So, the weight of watermelon and pineapple is 10 11 pounds.

Correct Answer is : 10 11 pounds

Step: 1

Sum of the fractions of chocolates = Fraction of chocolates Rose ate + Fraction of chocolates her friend ate = 5 9 + 2 9

[Substitute the fractions.]

Step: 2

= (5+2) 9 = 7 9

[As the denominators of the fractions are equal, just add the numerators 5 and 2.]

Step: 3

So, Rose and her friend ate 7 9 of the chocolates .

Correct Answer is : 7 9

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