Answers

Subtract 3/80 from 49/72

49/72 - 3/80 is 463/720.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 80 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 72 × 10 = 720,
   49/72 = 49 × 10/72 × 10 = 490/720
3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
   3/80 = 3 × 9/80 × 9 = 27/720
4. Subtract the two like fractions:
   490/720 - 27/720 = 490 - 27/720 = 463/720

MathStep (Works offline)

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

Related: ⁹⁸/₇₂-³/₈₀ ⁴⁹/₇₂-⁶/₈₀ ⁴⁹/₇₂-⁹/₈₀ ⁴⁹/₇₂-¹⁵/₈₀ ⁴⁹/₇₂-²¹/₈₀

Subtract Fractions Calculator