Subtract 1/25 from 42/15
1st number: 2 12/15, 2nd number: 1/25
42/15 - 1/25 is 69/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 25 is 75
Next, find the equivalent fraction of both fractional numbers with denominator 75 - For the 1st fraction, since 15 × 5 = 75,
42/15 = 42 × 5/15 × 5 = 210/75 - Likewise, for the 2nd fraction, since 25 × 3 = 75,
1/25 = 1 × 3/25 × 3 = 3/75 - Subtract the two like fractions:
210/75 - 3/75 = 210 - 3/75 = 207/75 - After reducing the fraction, the answer is 69/25
- In mixed form: 219/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/15-1/25 42/15-2/25 42/30-1/25 42/15-1/50 42/15-3/25 42/45-1/25 42/15-1/75 42/15-5/25 42/75-1/25 42/15-7/25