Answers

Subtract 96/72 from 3/20

1^st number: 3/20, 2^nd number: 1 24/72

3/20 - 96/72 is -71/60.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 72 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 20 × 18 = 360,
   3/20 = 3 × 18/20 × 18 = 54/360
3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
   96/72 = 96 × 5/72 × 5 = 480/360
4. Subtract the two like fractions:
   54/360 - 480/360 = 54 - 480/360 = -426/360
5. After reducing the fraction, the answer is -71/60

MathStep (Works offline)

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

Related: ⁶/₂₀-⁹⁶/₇₂ ³/₄₀-⁹⁶/₇₂ ⁹/₂₀-⁹⁶/₇₂ ³/₆₀-⁹⁶/₇₂ ¹⁵/₂₀-⁹⁶/₇₂ ²¹/₂₀-⁹⁶/₇₂

Subtract Fractions Calculator