Subtract 56/84 from 1/15
1/15 - 56/84 is -3/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 15 × 28 = 420,
1/15 = 1 × 28/15 × 28 = 28/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
56/84 = 56 × 5/84 × 5 = 280/420 - Subtract the two like fractions:
28/420 - 280/420 = 28 - 280/420 = -252/420 - After reducing the fraction, the answer is -3/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/15-56/84 1/30-56/84 3/15-56/84 1/45-56/84 5/15-56/84 1/75-56/84 7/15-56/84