Subtract 4/54 from 2/40
2/40 - 4/54 is -13/540.
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,
2/40 = 2 × 27/40 × 27 = 54/1080 - Likewise, for the 2nd fraction, since 54 × 20 = 1080,
4/54 = 4 × 20/54 × 20 = 80/1080 - Subtract the two like fractions:
54/1080 - 80/1080 = 54 - 80/1080 = -26/1080 - After reducing the fraction, the answer is -13/540
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/40-4/54 2/40-8/54 2/80-4/54 6/40-4/54 2/40-12/54 10/40-4/54 2/40-20/54 14/40-4/54 2/40-28/54