Subtract 27/56 from 1/84
1/84 - 27/56 is -79/168.
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,
1/84 = 1 × 2/84 × 2 = 2/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
27/56 = 27 × 3/56 × 3 = 81/168 - Subtract the two like fractions:
2/168 - 81/168 = 2 - 81/168 = -79/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/84-27/56 1/84-54/56 3/84-27/56 1/84-81/56 5/84-27/56 7/84-27/56