Subtract 18/63 from 2/56
2/56 - 18/63 is -1/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 63 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
2/56 = 2 × 9/56 × 9 = 18/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
18/63 = 18 × 8/63 × 8 = 144/504 - Subtract the two like fractions:
18/504 - 144/504 = 18 - 144/504 = -126/504 - After reducing the fraction, the answer is -1/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/56-18/63 2/56-36/63 6/56-18/63 2/56-54/63 10/56-18/63 2/56-90/63 14/56-18/63