Subtract 50/7 from 5/72
1st number: 5/72, 2nd number: 7 1/7
5/72 - 50/7 is -3565/504.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 7 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
5/72 = 5 × 7/72 × 7 = 35/504 - Likewise, for the 2nd fraction, since 7 × 72 = 504,
50/7 = 50 × 72/7 × 72 = 3600/504 - Subtract the two like fractions:
35/504 - 3600/504 = 35 - 3600/504 = -3565/504
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/72-50/7 5/72-50/14 15/72-50/7 5/72-50/21 25/72-50/7 5/72-50/35 35/72-50/7 5/72-50/49