Subtract 10/72 from 45/7
1st number: 6 3/7, 2nd number: 10/72
45/7 - 10/72 is 1585/252.
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,
45/7 = 45 × 72/7 × 72 = 3240/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
10/72 = 10 × 7/72 × 7 = 70/504 - Subtract the two like fractions:
3240/504 - 70/504 = 3240 - 70/504 = 3170/504 - After reducing the fraction, the answer is 1585/252
- In mixed form: 673/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/7-10/72 45/7-20/72 45/14-10/72 45/7-30/72 45/21-10/72 45/7-50/72 45/35-10/72 45/7-70/72 45/49-10/72