Subtract 3/36 from 72/7
1st number: 10 2/7, 2nd number: 3/36
72/7 - 3/36 is 857/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 7 × 36 = 252,
72/7 = 72 × 36/7 × 36 = 2592/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
3/36 = 3 × 7/36 × 7 = 21/252 - Subtract the two like fractions:
2592/252 - 21/252 = 2592 - 21/252 = 2571/252 - After reducing the fraction, the answer is 857/84
- In mixed form: 1017/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/7-6/36 72/14-3/36 72/7-3/72 72/7-9/36 72/21-3/36 72/7-15/36 72/35-3/36 72/7-21/36 72/49-3/36