Subtract 90/40 from 32/25
1st number: 1 7/25, 2nd number: 2 10/40
32/25 - 90/40 is -97/100.
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,
32/25 = 32 × 8/25 × 8 = 256/200 - Likewise, for the 2nd fraction, since 40 × 5 = 200,
90/40 = 90 × 5/40 × 5 = 450/200 - Subtract the two like fractions:
256/200 - 450/200 = 256 - 450/200 = -194/200 - After reducing the fraction, the answer is -97/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/25-90/40 32/50-90/40 32/25-90/80 96/25-90/40 32/75-90/40