Subtract 30/63 from 5/56
5/56 - 30/63 is -65/168.
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,
5/56 = 5 × 9/56 × 9 = 45/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
30/63 = 30 × 8/63 × 8 = 240/504 - Subtract the two like fractions:
45/504 - 240/504 = 45 - 240/504 = -195/504 - After reducing the fraction, the answer is -65/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/56-30/63 5/56-60/63 15/56-30/63 5/56-90/63 25/56-30/63 35/56-30/63