Question

What is the estimated difference of 4 9/10 - 1 1/12

OA) 4
OB) 3 1/2
OC) 3
OD)2 1/12

Answer 1

A) 4

Explanation:

4 9/10 - 1 1/12 = ?

4 9/10 = 49/10

1 1/12 = 13/12

49/10 - 13/12 = 294/60 - 65/60 = 229/60 ≈ 3.8

Round the answer, we get 4, so the answer is A) 4