Subtract 12/63 from 14/72
14/72 - 12/63 is 1/252.
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,
14/72 = 14 × 7/72 × 7 = 98/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
12/63 = 12 × 8/63 × 8 = 96/504 - Subtract the two like fractions:
98/504 - 96/504 = 98 - 96/504 = 2/504 - After reducing the fraction, the answer is 1/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/72-12/63 14/72-24/63 42/72-12/63 14/72-36/63 70/72-12/63 14/72-60/63 98/72-12/63 14/72-84/63