Subtract 6/63 from 2/72
2/72 - 6/63 is -17/252.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 63 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
2/72 = 2 × 7/72 × 7 = 14/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
6/63 = 6 × 8/63 × 8 = 48/504 - Subtract the two like fractions:
14/504 - 48/504 = 14 - 48/504 = -34/504 - After reducing the fraction, the answer is -17/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/72-6/63 2/72-12/63 6/72-6/63 2/72-18/63 10/72-6/63 2/72-30/63 14/72-6/63 2/72-42/63