15/5 times 21/3
15/5 × 21/3
=
21
Step-by-Step Solution
-
1Multiply numerators15 × 21 = 315
-
2Multiply denominators5 × 3 = 15
-
3Write result315/15
-
4Simplify315/15 = 21/1
How to Multiply Fractions
Multiplying fractions is straightforward — multiply the numerators together and the denominators together. No common denominator needed! Just simplify the result.