Subtract 12/36 from 75/7
1st number: 10 5/7, 2nd number: 12/36
75/7 - 12/36 is 218/21.
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,
75/7 = 75 × 36/7 × 36 = 2700/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
12/36 = 12 × 7/36 × 7 = 84/252 - Subtract the two like fractions:
2700/252 - 84/252 = 2700 - 84/252 = 2616/252 - After reducing the fraction, the answer is 218/21
- In mixed form: 108/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/7-24/36 75/14-12/36 75/7-12/72 75/21-12/36 75/7-60/36 75/35-12/36 75/7-84/36 75/49-12/36