Subtract 6/56 from 42/20
1st number: 2 2/20, 2nd number: 6/56
42/20 - 6/56 is 279/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 20 × 14 = 280,
42/20 = 42 × 14/20 × 14 = 588/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
6/56 = 6 × 5/56 × 5 = 30/280 - Subtract the two like fractions:
588/280 - 30/280 = 588 - 30/280 = 558/280 - After reducing the fraction, the answer is 279/140
- In mixed form: 1139/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/20-6/56 42/20-12/56 42/40-6/56 42/20-18/56 42/60-6/56 42/20-30/56 42/20-42/56