Subtract 1/40 from 4/48
4/48 - 1/40 is 7/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 40 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 40 × 6 = 240,
1/40 = 1 × 6/40 × 6 = 6/240 - Subtract the two like fractions:
20/240 - 6/240 = 20 - 6/240 = 14/240 - After reducing the fraction, the answer is 7/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/48-1/40 4/48-2/40 4/96-1/40 4/48-1/80 12/48-1/40 4/48-3/40 20/48-1/40 4/48-5/40 28/48-1/40 4/48-7/40