Subtract 20/36 from 15/16
15/16 - 20/36 is 55/144.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 36 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
15/16 = 15 × 9/16 × 9 = 135/144 - Likewise, for the 2nd fraction, since 36 × 4 = 144,
20/36 = 20 × 4/36 × 4 = 80/144 - Subtract the two like fractions:
135/144 - 80/144 = 135 - 80/144 = 55/144
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/16-20/36 15/16-40/36 15/32-20/36 15/16-20/72 45/16-20/36 15/16-60/36 15/48-20/36 75/16-20/36 15/80-20/36