Subtract 12/70 from 9/36
9/36 - 12/70 is 11/140.
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,
12/70 = 12 × 18/70 × 18 = 216/1260 - Subtract the two like fractions:
315/1260 - 216/1260 = 315 - 216/1260 = 99/1260 - After reducing the fraction, the answer is 11/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/36-12/70 9/36-24/70 9/72-12/70 27/36-12/70 9/36-36/70 45/36-12/70 9/36-60/70 63/36-12/70 9/36-84/70