Answers

Subtract 49/70 from 45/24

1^st number: 1 21/24, 2^nd number: 49/70

45/24 - 49/70 is 47/40.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 24 and 70 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 24 × 35 = 840,
   45/24 = 45 × 35/24 × 35 = 1575/840
3. Likewise, for the 2nd fraction, since 70 × 12 = 840,
   49/70 = 49 × 12/70 × 12 = 588/840
4. Subtract the two like fractions:
   1575/840 - 588/840 = 1575 - 588/840 = 987/840
5. After reducing the fraction, the answer is 47/40
6. In mixed form: 17/40

MathStep (Works offline)

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

Related: ⁹⁰/₂₄-⁴⁹/₇₀ ⁴⁵/₂₄-⁹⁸/₇₀ ⁴⁵/₄₈-⁴⁹/₇₀ ⁴⁵/₇₂-⁴⁹/₇₀

Subtract Fractions Calculator