Subtract 7/40 from 5/25
5/25 - 7/40 is 1/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 40 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 25 × 8 = 200,
5/25 = 5 × 8/25 × 8 = 40/200 - Likewise, for the 2nd fraction, since 40 × 5 = 200,
7/40 = 7 × 5/40 × 5 = 35/200 - Subtract the two like fractions:
40/200 - 35/200 = 40 - 35/200 = 5/200 - After reducing the fraction, the answer is 1/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/25-7/40 5/25-14/40 5/50-7/40 5/25-7/80 15/25-7/40 5/25-21/40 5/75-7/40 5/25-35/40 35/25-7/40 5/25-49/40