Subtract 14/72 from 1/7
1/7 - 14/72 is -13/252.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 7 × 72 = 504,
1/7 = 1 × 72/7 × 72 = 72/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
14/72 = 14 × 7/72 × 7 = 98/504 - Subtract the two like fractions:
72/504 - 98/504 = 72 - 98/504 = -26/504 - After reducing the fraction, the answer is -13/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/7-14/72 1/7-28/72 1/14-14/72 3/7-14/72 1/7-42/72 1/21-14/72 5/7-14/72 1/7-70/72 1/35-14/72 1/7-98/72 1/49-14/72