A reduction. Because it’s between 0 and 1. It shrinks.
21/35 in simplest form is 3/5 because you need to find the GCF first, then divide by it. the greatest common factor in this case is 7, so you need to divide 21 and 35 by seven.
21/7=3
35/7=5
3/5
Can you provide the story paragraph in terms to help you ?
