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