Answers

Subtract 16/81 from 49/60

49/60 - 16/81 is 1003/1620.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 81 is 1620
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1620
2. For the 1st fraction, since 60 × 27 = 1620,
   49/60 = 49 × 27/60 × 27 = 1323/1620
3. Likewise, for the 2nd fraction, since 81 × 20 = 1620,
   16/81 = 16 × 20/81 × 20 = 320/1620
4. Subtract the two like fractions:
   1323/1620 - 320/1620 = 1323 - 320/1620 = 1003/1620

MathStep (Works offline)

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

Related: ⁹⁸/₆₀-¹⁶/₈₁ ⁴⁹/₆₀-³²/₈₁ ⁴⁹/₆₀-⁴⁸/₈₁ ⁴⁹/₆₀-⁸⁰/₈₁

Subtract Fractions Calculator