Subtract 56/12 from 5/42
1st number: 5/42, 2nd number: 4 8/12
5/42 - 56/12 is -191/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
5/42 = 5 × 2/42 × 2 = 10/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
56/12 = 56 × 7/12 × 7 = 392/84 - Subtract the two like fractions:
10/84 - 392/84 = 10 - 392/84 = -382/84 - After reducing the fraction, the answer is -191/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/42-56/12 5/84-56/12 5/42-56/24 15/42-56/12 5/42-56/36 25/42-56/12 5/42-56/60 35/42-56/12 5/42-56/84