Subtract 15/56 from 2/84
2/84 - 15/56 is -41/168.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 84 × 2 = 168,
2/84 = 2 × 2/84 × 2 = 4/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
15/56 = 15 × 3/56 × 3 = 45/168 - Subtract the two like fractions:
4/168 - 45/168 = 4 - 45/168 = -41/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/84-15/56 2/84-30/56 6/84-15/56 2/84-45/56 10/84-15/56 2/84-75/56 14/84-15/56