Subtract 42/40 from 49/25
1st number: 1 24/25, 2nd number: 1 2/40
49/25 - 42/40 is 91/100.
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,
49/25 = 49 × 8/25 × 8 = 392/200 - Likewise, for the 2nd fraction, since 40 × 5 = 200,
42/40 = 42 × 5/40 × 5 = 210/200 - Subtract the two like fractions:
392/200 - 210/200 = 392 - 210/200 = 182/200 - After reducing the fraction, the answer is 91/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/25-42/40 49/25-84/40 49/50-42/40 49/25-42/80 49/75-42/40