Answers

Subtract 5/21 from 49/75

49/75 - 5/21 is 218/525.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 21 is 525
   
   Next, find the equivalent fraction of both fractional numbers with denominator 525
2. For the 1st fraction, since 75 × 7 = 525,
   49/75 = 49 × 7/75 × 7 = 343/525
3. Likewise, for the 2nd fraction, since 21 × 25 = 525,
   5/21 = 5 × 25/21 × 25 = 125/525
4. Subtract the two like fractions:
   343/525 - 125/525 = 343 - 125/525 = 218/525

MathStep (Works offline)

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

Related: ⁹⁸/₇₅-⁵/₂₁ ⁴⁹/₇₅-¹⁰/₂₁ ⁴⁹/₇₅-⁵/₄₂ ⁴⁹/₇₅-¹⁵/₂₁ ⁴⁹/₇₅-⁵/₆₃ ⁴⁹/₇₅-²⁵/₂₁ ⁴⁹/₇₅-³⁵/₂₁

Subtract Fractions Calculator