Subtract 42/27 from 28/96
1st number: 28/96, 2nd number: 1 15/27
28/96 - 42/27 is -91/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 96 and 27 is 864
Next, find the equivalent fraction of both fractional numbers with denominator 864 - For the 1st fraction, since 96 × 9 = 864,
28/96 = 28 × 9/96 × 9 = 252/864 - Likewise, for the 2nd fraction, since 27 × 32 = 864,
42/27 = 42 × 32/27 × 32 = 1344/864 - Subtract the two like fractions:
252/864 - 1344/864 = 252 - 1344/864 = -1092/864 - After reducing the fraction, the answer is -91/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/96-42/27 28/96-84/27 28/96-42/54 84/96-42/27 28/96-42/81