Answers

Subtract 45/42 from 49/15

1^st number: 3 4/15, 2^nd number: 1 3/42

49/15 - 45/42 is 461/210.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 42 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 15 × 14 = 210,
   49/15 = 49 × 14/15 × 14 = 686/210
3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
   45/42 = 45 × 5/42 × 5 = 225/210
4. Subtract the two like fractions:
   686/210 - 225/210 = 686 - 225/210 = 461/210
5. In mixed form: 241/210

MathStep (Works offline)

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

Related: ⁹⁸/₁₅-⁴⁵/₄₂ ⁴⁹/₁₅-⁹⁰/₄₂ ⁴⁹/₃₀-⁴⁵/₄₂ ⁴⁹/₁₅-⁴⁵/₈₄ ⁴⁹/₄₅-⁴⁵/₄₂ ⁴⁹/₇₅-⁴⁵/₄₂

Subtract Fractions Calculator