Subtract 70/36 from 9/7
1st number: 1 2/7, 2nd number: 1 34/36
9/7 - 70/36 is -83/126.
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,
9/7 = 9 × 36/7 × 36 = 324/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
70/36 = 70 × 7/36 × 7 = 490/252 - Subtract the two like fractions:
324/252 - 490/252 = 324 - 490/252 = -166/252 - After reducing the fraction, the answer is -83/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/7-70/36 9/14-70/36 9/7-70/72 27/7-70/36 9/21-70/36 45/7-70/36 9/35-70/36 63/7-70/36 9/49-70/36