on monday, claire fed her cat 2 1/4 scoops of cat food. on tuesday, she fed her cat 2 3/4 scoops of cat…

on monday, claire fed her cat 2 1/4 scoops of cat food. on tuesday, she fed her cat 2 3/4 scoops of cat food. which of these equations shows how many scoops of food claire fed her cat altogether on those two days? a 9/4 + 11/4 = 5 scoops b 9/4 + 11/4 = 5 1/4 scoops c 2 1/4 + 2 3/4 = 4 1/2 scoops d 2 1/4 + 2 3/4 = 4 3/4 scoops
Answer
Explanation:
Step1: Convert mixed - numbers to improper fractions
$2\frac{1}{4}=\frac{2\times4 + 1}{4}=\frac{9}{4}$ and $2\frac{3}{4}=\frac{2\times4+3}{4}=\frac{11}{4}$.
Step2: Add the improper fractions
$\frac{9}{4}+\frac{11}{4}=\frac{9 + 11}{4}=\frac{20}{4}=5$.
Answer:
A. $\frac{9}{4}+\frac{11}{4}=5$ scoops