Subtract 2/36 from 20/84
20/84 - 2/36 is 23/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
20/84 = 20 × 3/84 × 3 = 60/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
2/36 = 2 × 7/36 × 7 = 14/252 - Subtract the two like fractions:
60/252 - 14/252 = 60 - 14/252 = 46/252 - After reducing the fraction, the answer is 23/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/84-2/36 20/84-4/36 20/84-2/72 60/84-2/36 20/84-6/36 20/84-10/36 20/84-14/36