Subtract 4/54 from 3/40
3/40 - 4/54 is 1/1080.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 54 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 40 × 27 = 1080,
3/40 = 3 × 27/40 × 27 = 81/1080 - Likewise, for the 2nd fraction, since 54 × 20 = 1080,
4/54 = 4 × 20/54 × 20 = 80/1080 - Subtract the two like fractions:
81/1080 - 80/1080 = 81 - 80/1080 = 1/1080
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/40-4/54 3/40-8/54 3/80-4/54 9/40-4/54 3/40-12/54 15/40-4/54 3/40-20/54 21/40-4/54 3/40-28/54