Answers

Subtract 49/30 from 30/72

1^st number: 30/72, 2^nd number: 1 19/30

30/72 - 49/30 is -73/60.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 30 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 72 × 5 = 360,
   30/72 = 30 × 5/72 × 5 = 150/360
3. Likewise, for the 2nd fraction, since 30 × 12 = 360,
   49/30 = 49 × 12/30 × 12 = 588/360
4. Subtract the two like fractions:
   150/360 - 588/360 = 150 - 588/360 = -438/360
5. After reducing the fraction, the answer is -73/60

MathStep (Works offline)

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

Related: ⁶⁰/₇₂-⁴⁹/₃₀ ³⁰/₇₂-⁹⁸/₃₀ ³⁰/₇₂-⁴⁹/₆₀ ⁹⁰/₇₂-⁴⁹/₃₀ ³⁰/₇₂-⁴⁹/₉₀

Subtract Fractions Calculator