Convert each mixed number to improper fraction in lowest terms

Asked by admin @ 05/11/2021 in Mathematics viewed by 302 People

Add or subtract the following mixed numbers. First change each mixed number to an equivalent improper fraction. Then find a common denominator, and proceed as before. Leave your answer as an improper fraction. Be sure your answers are reduced to lowest terms. 1/5 + 2 1/3 =

a 7/8
b 38/15
c 7/15
d 38/30

Answered by admin @ 05/11/2021

1/5 + 2 1/3 To change it to improper fraction multiply 2 by 3 and add 1 so it will be 7/3
1/5 + 7/3 Find a common denominator
1/5 x 3 = 3/15
7/3 x 5= 35/ 15
3/15 + 35/15 = 38/15
So the answer is b) 38/15

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