Answers

Multiply 15/80 with 21/18

1^st number: 15/80, 2^nd number: 1 3/18

This multiplication involving fractions can also be rephrased as "What is 15/80 of 1 3/18?"

15/80 × 21/18 is 7/32.

Steps for multiplying fractions

1. Simply multiply the numerators and denominators separately:
2. 15/80 × 21/18 = 15 × 21/80 × 18 = 315/1440
3. After reducing the fraction, the answer is 7/32

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related: ³⁰/₈₀ײ¹/₁₈ ¹⁵/₈₀×⁴²/₁₈ ¹⁵/₈₀ײ¹/₃₆ ⁴⁵/₈₀ײ¹/₁₈ ¹⁵/₈₀×⁶³/₁₈ ¹⁵/₈₀ײ¹/₅₄ ⁷⁵/₈₀ײ¹/₁₈ ¹⁵/₈₀ײ¹/₉₀

Multiply Fractions Calculator