Subtract 4/35 from 20/36
20/36 - 4/35 is 139/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 35 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 36 × 35 = 1260,
20/36 = 20 × 35/36 × 35 = 700/1260 - Likewise, for the 2nd fraction, since 35 × 36 = 1260,
4/35 = 4 × 36/35 × 36 = 144/1260 - Subtract the two like fractions:
700/1260 - 144/1260 = 700 - 144/1260 = 556/1260 - After reducing the fraction, the answer is 139/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/36-4/35 20/36-8/35 20/72-4/35 20/36-4/70 60/36-4/35 20/36-12/35 20/36-20/35 20/36-28/35