Answers

Subtract 48/60 from 21/56

21/56 - 48/60 is -17/40.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 60 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 56 × 15 = 840,
   21/56 = 21 × 15/56 × 15 = 315/840
3. Likewise, for the 2nd fraction, since 60 × 14 = 840,
   48/60 = 48 × 14/60 × 14 = 672/840
4. Subtract the two like fractions:
   315/840 - 672/840 = 315 - 672/840 = -357/840
5. After reducing the fraction, the answer is -17/40

MathStep (Works offline)

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

Related: ⁴²/₅₆-⁴⁸/₆₀ ²¹/₅₆-⁹⁶/₆₀ ⁶³/₅₆-⁴⁸/₆₀

Subtract Fractions Calculator