Add and Subtract Rational Numbers

Consider this expression:

14 − 0.5 + 12 − 0.25 + 35 + 0.4
Question 1
You are asked to find the sum by using fractions. Which expression could you use?
Responses
A 14 − 12 + 12 − 14+ 35 + 251 4 − 1 2 + 1 2 − 1 4 + 3 5 + 2 5
B 14 − 14 + 12 − 14+ 35 + 251 4 − 1 4 + 1 2 − 1 4 + 3 5 + 2 5
C 14 − 12 + 12 − 14+ 45 + 251 4 − 1 2 + 1 2 − 1 4 + 4 5 + 2 5
D 14 − 12 − 12 − 14+ 35 + 25

1 answer

The correct expression to find the sum by using fractions would be:

A) 14 − 12 + 12 − 14+ 35 + 25/14 − 1/2 + 1/2 − 1/4 + 35 + 2/5