Subtract 3/14 from 7/72
7/72 - 3/14 is -59/504.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 14 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
7/72 = 7 × 7/72 × 7 = 49/504 - Likewise, for the 2nd fraction, since 14 × 36 = 504,
3/14 = 3 × 36/14 × 36 = 108/504 - Subtract the two like fractions:
49/504 - 108/504 = 49 - 108/504 = -59/504
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/72-3/14 7/72-6/14 7/72-3/28 21/72-3/14 7/72-9/14 7/72-3/42 35/72-3/14 7/72-15/14 7/72-3/70 49/72-3/14 7/72-21/14 7/72-3/98