Answers

Subtract 60/45 from 2/20

1^st number: 2/20, 2^nd number: 1 15/45

2/20 - 60/45 is -37/30.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 45 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 20 × 9 = 180,
   2/20 = 2 × 9/20 × 9 = 18/180
3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
   60/45 = 60 × 4/45 × 4 = 240/180
4. Subtract the two like fractions:
   18/180 - 240/180 = 18 - 240/180 = -222/180
5. After reducing the fraction, the answer is -37/30

MathStep (Works offline)

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

Related: ⁴/₂₀-⁶⁰/₄₅ ²/₄₀-⁶⁰/₄₅ ²/₂₀-⁶⁰/₉₀ ⁶/₂₀-⁶⁰/₄₅ ²/₆₀-⁶⁰/₄₅ ¹⁰/₂₀-⁶⁰/₄₅ ¹⁴/₂₀-⁶⁰/₄₅

Subtract Fractions Calculator