Answer:
15/4=3 3/4
21/4= 5 1/4
5/4= 1 1/4
28/4=7
Step-by-step explanation:
Divide the numerator by denominator: 15/4=3 r3
After that, use 3 as the whole number part. The remainder goes the the mixed number's numerator. The Divisor is now the denominator.
Use this method for others
