Subtract 9/16 from 18/15
1st number: 1 3/15, 2nd number: 9/16
18/15 - 9/16 is 51/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 16 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
18/15 = 18 × 16/15 × 16 = 288/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
9/16 = 9 × 15/16 × 15 = 135/240 - Subtract the two like fractions:
288/240 - 135/240 = 288 - 135/240 = 153/240 - After reducing the fraction, the answer is 51/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/15-9/16 18/15-18/16 18/30-9/16 18/15-9/32 54/15-9/16 18/15-27/16 18/45-9/16 18/15-9/48 90/15-9/16 18/15-45/16 18/75-9/16 18/15-9/80 18/15-63/16