Subtract 4/20 from 1/48
1/48 - 4/20 is -43/240.
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,
1/48 = 1 × 5/48 × 5 = 5/240 - Likewise, for the 2nd fraction, since 20 × 12 = 240,
4/20 = 4 × 12/20 × 12 = 48/240 - Subtract the two like fractions:
5/240 - 48/240 = 5 - 48/240 = -43/240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/48-4/20 1/48-8/20 1/96-4/20 1/48-4/40 3/48-4/20 1/48-12/20 1/48-4/60 5/48-4/20 7/48-4/20 1/48-28/20