Subtract 75/25 from 50/40
1st number: 1 10/40, 2nd number: 3 0/25
50/40 - 75/25 is -7/4.
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,
50/40 = 50 × 5/40 × 5 = 250/200 - Likewise, for the 2nd fraction, since 25 × 8 = 200,
75/25 = 75 × 8/25 × 8 = 600/200 - Subtract the two like fractions:
250/200 - 600/200 = 250 - 600/200 = -350/200 - After reducing the fraction, the answer is -7/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/80-75/25 50/40-75/50