Subtract 12/72 from 14/56
14/56 - 12/72 is 1/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
14/56 = 14 × 9/56 × 9 = 126/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
12/72 = 12 × 7/72 × 7 = 84/504 - Subtract the two like fractions:
126/504 - 84/504 = 126 - 84/504 = 42/504 - After reducing the fraction, the answer is 1/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/56-12/72 14/56-24/72 42/56-12/72 14/56-36/72 70/56-12/72 14/56-60/72 98/56-12/72 14/56-84/72