Subtract 75/7 from 70/36
1st number: 1 34/36, 2nd number: 10 5/7
70/36 - 75/7 is -1105/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 7 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
70/36 = 70 × 7/36 × 7 = 490/252 - Likewise, for the 2nd fraction, since 7 × 36 = 252,
75/7 = 75 × 36/7 × 36 = 2700/252 - Subtract the two like fractions:
490/252 - 2700/252 = 490 - 2700/252 = -2210/252 - After reducing the fraction, the answer is -1105/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/72-75/7 70/36-75/14 70/36-75/21 70/36-75/35 70/36-75/49