Subtract 42/25 from 1/3
1st number: 1/3, 2nd number: 1 17/25
1/3 - 42/25 is -101/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 25 is 75
Next, find the equivalent fraction of both fractional numbers with denominator 75 - For the 1st fraction, since 3 × 25 = 75,
1/3 = 1 × 25/3 × 25 = 25/75 - Likewise, for the 2nd fraction, since 25 × 3 = 75,
42/25 = 42 × 3/25 × 3 = 126/75 - Subtract the two like fractions:
25/75 - 126/75 = 25 - 126/75 = -101/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/3-42/25 1/3-84/25 1/6-42/25 1/3-42/50 1/9-42/25 1/3-42/75 5/3-42/25 1/15-42/25 7/3-42/25 1/21-42/25