Answers

Subtract 50/15 from 30/36

1^st number: 30/36, 2^nd number: 3 5/15

30/36 - 50/15 is -5/2.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 36 and 15 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 36 × 5 = 180,
   30/36 = 30 × 5/36 × 5 = 150/180
3. Likewise, for the 2nd fraction, since 15 × 12 = 180,
   50/15 = 50 × 12/15 × 12 = 600/180
4. Subtract the two like fractions:
   150/180 - 600/180 = 150 - 600/180 = -450/180
5. After reducing the fraction, the answer is -5/2

MathStep (Works offline)

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

Related: ⁶⁰/₃₆-⁵⁰/₁₅ ³⁰/₇₂-⁵⁰/₁₅ ³⁰/₃₆-⁵⁰/₃₀ ⁹⁰/₃₆-⁵⁰/₁₅ ³⁰/₃₆-⁵⁰/₄₅ ³⁰/₃₆-⁵⁰/₇₅

Subtract Fractions Calculator