Subtract 56/27 from 42/18
1st number: 2 6/18, 2nd number: 2 2/27
42/18 - 56/27 is 7/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 27 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 18 × 3 = 54,
42/18 = 42 × 3/18 × 3 = 126/54 - Likewise, for the 2nd fraction, since 27 × 2 = 54,
56/27 = 56 × 2/27 × 2 = 112/54 - Subtract the two like fractions:
126/54 - 112/54 = 126 - 112/54 = 14/54 - After reducing the fraction, the answer is 7/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/18-56/27 42/36-56/27 42/18-56/54 42/54-56/27 42/18-56/81 42/90-56/27