Subtract 30/25 from 1/40
1st number: 1/40, 2nd number: 1 5/25
1/40 - 30/25 is -47/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 25 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 40 × 5 = 200,
1/40 = 1 × 5/40 × 5 = 5/200 - Likewise, for the 2nd fraction, since 25 × 8 = 200,
30/25 = 30 × 8/25 × 8 = 240/200 - Subtract the two like fractions:
5/200 - 240/200 = 5 - 240/200 = -235/200 - After reducing the fraction, the answer is -47/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/40-30/25 1/40-60/25 1/80-30/25 1/40-30/50 3/40-30/25 1/40-90/25 1/40-30/75 5/40-30/25 7/40-30/25