Subtract 15/84 from 5/36
5/36 - 15/84 is -5/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
5/36 = 5 × 7/36 × 7 = 35/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
15/84 = 15 × 3/84 × 3 = 45/252 - Subtract the two like fractions:
35/252 - 45/252 = 35 - 45/252 = -10/252 - After reducing the fraction, the answer is -5/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/36-15/84 5/36-30/84 5/72-15/84 15/36-15/84 5/36-45/84 25/36-15/84 5/36-75/84 35/36-15/84