Subtract 9/18 from 15/16
15/16 - 9/18 is 7/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 18 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 18 × 8 = 144,
9/18 = 9 × 8/18 × 8 = 72/144 - Subtract the two like fractions:
135/144 - 72/144 = 135 - 72/144 = 63/144 - After reducing the fraction, the answer is 7/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/16-9/18 15/32-9/18 15/16-9/36 45/16-9/18 15/16-27/18 15/48-9/18 15/16-9/54 75/16-9/18 15/16-45/18 15/80-9/18 15/16-9/90 15/16-63/18