Subtract 1/56 from 42/75
42/75 - 1/56 is 759/1400.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 56 is 4200
Next, find the equivalent fraction of both fractional numbers with denominator 4200 - For the 1st fraction, since 75 × 56 = 4200,
42/75 = 42 × 56/75 × 56 = 2352/4200 - Likewise, for the 2nd fraction, since 56 × 75 = 4200,
1/56 = 1 × 75/56 × 75 = 75/4200 - Subtract the two like fractions:
2352/4200 - 75/4200 = 2352 - 75/4200 = 2277/4200 - After reducing the fraction, the answer is 759/1400
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/75-1/56 42/75-2/56 42/75-3/56 42/75-5/56 42/75-7/56