The given fractions are and .
Here the denominators are 10 and 100. These denominators are different.
Before adding and subtracting fractions, the fractions should have equal denominators.
Take the LCD of the denominators 10 and 100. The LCD is 100.
: Now multiply both the numerators and denominators of the fractions by 10 and by 1 to make the common denominator.
= × = = . Here is equivalent to the fraction .
= × = = .
Now adding the two fractions and
Here denominators are common. So add the numerators directly.
Correct Answer is : and