Subtract 4/20 from 4/48
4/48 - 4/20 is -7/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 20 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 48 × 5 = 240,
4/48 = 4 × 5/48 × 5 = 20/240 - Likewise, for the 2nd fraction, since 20 × 12 = 240,
4/20 = 4 × 12/20 × 12 = 48/240 - Subtract the two like fractions:
20/240 - 48/240 = 20 - 48/240 = -28/240 - After reducing the fraction, the answer is -7/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/48-4/20 4/48-8/20 4/96-4/20 4/48-4/40 12/48-4/20 4/48-12/20 4/48-4/60 20/48-4/20 28/48-4/20 4/48-28/20