Answers

Subtract 32/20 from 30/50

1^st number: 30/50, 2^nd number: 1 12/20

30/50 - 32/20 is -1/1.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 20 is 100
   
   Next, find the equivalent fraction of both fractional numbers with denominator 100
2. For the 1st fraction, since 50 × 2 = 100,
   30/50 = 30 × 2/50 × 2 = 60/100
3. Likewise, for the 2nd fraction, since 20 × 5 = 100,
   32/20 = 32 × 5/20 × 5 = 160/100
4. Subtract the two like fractions:
   60/100 - 160/100 = 60 - 160/100 = -100/100
5. After reducing the fraction, the answer is -1/1

MathStep (Works offline)

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

Related: ⁶⁰/₅₀-³²/₂₀ ³⁰/₅₀-⁶⁴/₂₀ ³⁰/₅₀-³²/₄₀ ⁹⁰/₅₀-³²/₂₀ ³⁰/₅₀-⁹⁶/₂₀ ³⁰/₅₀-³²/₆₀

Subtract Fractions Calculator