Subtract 10/30 from 42/25
1st number: 1 17/25, 2nd number: 10/30
42/25 - 10/30 is 101/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 30 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 25 × 6 = 150,
42/25 = 42 × 6/25 × 6 = 252/150 - Likewise, for the 2nd fraction, since 30 × 5 = 150,
10/30 = 10 × 5/30 × 5 = 50/150 - Subtract the two like fractions:
252/150 - 50/150 = 252 - 50/150 = 202/150 - After reducing the fraction, the answer is 101/75
- In mixed form: 126/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/25-10/30 42/25-20/30 42/50-10/30 42/25-10/60 42/75-10/30 42/25-10/90 42/25-50/30 42/25-70/30