Answers

Subtract 25/81 from 49/30

1^st number: 1 19/30, 2^nd number: 25/81

49/30 - 25/81 is 1073/810.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 81 is 810
   
   Next, find the equivalent fraction of both fractional numbers with denominator 810
2. For the 1st fraction, since 30 × 27 = 810,
   49/30 = 49 × 27/30 × 27 = 1323/810
3. Likewise, for the 2nd fraction, since 81 × 10 = 810,
   25/81 = 25 × 10/81 × 10 = 250/810
4. Subtract the two like fractions:
   1323/810 - 250/810 = 1323 - 250/810 = 1073/810
5. In mixed form: 1263/810

MathStep (Works offline)

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

Related: ⁹⁸/₃₀-²⁵/₈₁ ⁴⁹/₃₀-⁵⁰/₈₁ ⁴⁹/₆₀-²⁵/₈₁ ⁴⁹/₃₀-⁷⁵/₈₁ ⁴⁹/₉₀-²⁵/₈₁

Subtract Fractions Calculator