Subtract 84/27 from 18/56
1st number: 18/56, 2nd number: 3 3/27
18/56 - 84/27 is -703/252.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 27 is 1512
Next, find the equivalent fraction of both fractional numbers with denominator 1512 - For the 1st fraction, since 56 × 27 = 1512,
18/56 = 18 × 27/56 × 27 = 486/1512 - Likewise, for the 2nd fraction, since 27 × 56 = 1512,
84/27 = 84 × 56/27 × 56 = 4704/1512 - Subtract the two like fractions:
486/1512 - 4704/1512 = 486 - 4704/1512 = -4218/1512 - After reducing the fraction, the answer is -703/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/56-84/27 18/56-84/54 54/56-84/27 18/56-84/81 90/56-84/27