Answers

Subtract 60/24 from 30/15

1^st number: 2 0/15, 2^nd number: 2 12/24

30/15 - 60/24 is -1/2.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 24 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 15 × 8 = 120,
   30/15 = 30 × 8/15 × 8 = 240/120
3. Likewise, for the 2nd fraction, since 24 × 5 = 120,
   60/24 = 60 × 5/24 × 5 = 300/120
4. Subtract the two like fractions:
   240/120 - 300/120 = 240 - 300/120 = -60/120
5. After reducing the fraction, the answer is -1/2

MathStep (Works offline)

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

Related: ⁶⁰/₁₅-⁶⁰/₂₄ ³⁰/₁₅-⁶⁰/₄₈ ⁹⁰/₁₅-⁶⁰/₂₄ ³⁰/₄₅-⁶⁰/₂₄ ³⁰/₁₅-⁶⁰/₇₂ ³⁰/₇₅-⁶⁰/₂₄

Subtract Fractions Calculator