Subtract 56/18 from 63/27
1st number: 2 9/27, 2nd number: 3 2/18
63/27 - 56/18 is -7/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 18 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 27 × 2 = 54,
63/27 = 63 × 2/27 × 2 = 126/54 - Likewise, for the 2nd fraction, since 18 × 3 = 54,
56/18 = 56 × 3/18 × 3 = 168/54 - Subtract the two like fractions:
126/54 - 168/54 = 126 - 168/54 = -42/54 - After reducing the fraction, the answer is -7/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/54-56/18 63/27-56/36 63/81-56/18 63/27-56/54 63/27-56/90