Answers

Subtract 21/12 from 49/18

1^st number: 2 13/18, 2^nd number: 1 9/12

49/18 - 21/12 is 35/36.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 12 is 36
   
   Next, find the equivalent fraction of both fractional numbers with denominator 36
2. For the 1st fraction, since 18 × 2 = 36,
   49/18 = 49 × 2/18 × 2 = 98/36
3. Likewise, for the 2nd fraction, since 12 × 3 = 36,
   21/12 = 21 × 3/12 × 3 = 63/36
4. Subtract the two like fractions:
   98/36 - 63/36 = 98 - 63/36 = 35/36

MathStep (Works offline)

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

Related: ⁹⁸/₁₈-²¹/₁₂ ⁴⁹/₁₈-⁴²/₁₂ ⁴⁹/₃₆-²¹/₁₂ ⁴⁹/₁₈-²¹/₂₄ ⁴⁹/₁₈-⁶³/₁₂ ⁴⁹/₅₄-²¹/₁₂ ⁴⁹/₁₈-²¹/₃₆ ⁴⁹/₉₀-²¹/₁₂ ⁴⁹/₁₈-²¹/₆₀ ⁴⁹/₁₈-²¹/₈₄

Subtract Fractions Calculator