Question

What is the next 4 multiples of 3/5

Answer 1

Multiples of 5/5-10-15-20-25-30

multiples of 3/3-6-9-12-15-18-21

Answer 2

It's asking for equivalent fractions of 3/5. So just multiply the same number to the denominator and numerator.
3 * 2/ 5 * 2 = 6/10,
3 * 3/ 5 * 3 = 9/15
3 * 4/ 5 * 4 = 12/20
3 * 5/ 5 * 5 = 15/25