Subtract 42/9 from 56/27
1st number: 2 2/27, 2nd number: 4 6/9
56/27 - 42/9 is -70/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 9 is 27
Next, find the equivalent fraction of both fractional numbers with denominator 27 - For the 1st fraction, since 27 × 1 = 27,
56/27 = 56 × 1/27 × 1 = 56/27 - Likewise, for the 2nd fraction, since 9 × 3 = 27,
42/9 = 42 × 3/9 × 3 = 126/27 - Subtract the two like fractions:
56/27 - 126/27 = 56 - 126/27 = -70/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/27-84/9 56/54-42/9 56/27-42/18 56/81-42/9 56/27-42/27 56/27-42/45 56/27-42/63