In this page question 19 to 20 we are going to see practice problem in the topic fraction and you can find the solution for this problem with detailed steps of explanation. Before adding or subtracting any two or three fractions first we need to consider the denominator of the fractions. If the denominators are same then we can put only one denominator and we can add or subtract the numerator.Other wise if we have different numbers in both denominators then we should take L.C.M of the fraction and we need change them as same.Then we can add or subtract.For multiplying two fractions we do not have to consider the denominators.We can multiply numerator with numerator and denominator with denominator.

**Question 19:**

Peter spends 3 **½** hours for doing his home work,3 hours for reading novels and 1 ¾ hours for playing games. How much time does he spend in all?

Options:

(A) 35/4

(B) 33/4

(C) 38/9

**Question 20:**

Peter bought 1
⅛ m of iron wire and 2 ⅔ m of copper wire. How much wire did he buy altogether?

Options:

(A) 91/24

(B) 95/8

(C) 69/5

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