Subtract 60/70 from 9/36
9/36 - 60/70 is -17/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 70 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 36 × 35 = 1260,
9/36 = 9 × 35/36 × 35 = 315/1260 - Likewise, for the 2nd fraction, since 70 × 18 = 1260,
60/70 = 60 × 18/70 × 18 = 1080/1260 - Subtract the two like fractions:
315/1260 - 1080/1260 = 315 - 1080/1260 = -765/1260 - After reducing the fraction, the answer is -17/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/36-60/70 9/72-60/70 27/36-60/70 45/36-60/70 63/36-60/70