Subtract 3/56 from 42/7
1st number: 6 0/7, 2nd number: 3/56
42/7 - 3/56 is 333/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 7 × 8 = 56,
42/7 = 42 × 8/7 × 8 = 336/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
3/56 = 3 × 1/56 × 1 = 3/56 - Subtract the two like fractions:
336/56 - 3/56 = 336 - 3/56 = 333/56 - In mixed form: 553/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/7-3/56 42/7-6/56 42/14-3/56 42/7-9/56 42/21-3/56 42/7-15/56 42/35-3/56 42/7-21/56 42/49-3/56