Subtract 4/48 from 21/60
21/60 - 4/48 is 4/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 60 × 4 = 240,
21/60 = 21 × 4/60 × 4 = 84/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
4/48 = 4 × 5/48 × 5 = 20/240 - Subtract the two like fractions:
84/240 - 20/240 = 84 - 20/240 = 64/240 - After reducing the fraction, the answer is 4/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/60-4/48 21/60-8/48 21/60-4/96 63/60-4/48 21/60-12/48 21/60-20/48 21/60-28/48