Subtract 18/14 from 9/15
1st number: 9/15, 2nd number: 1 4/14
9/15 - 18/14 is -24/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 14 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
9/15 = 9 × 14/15 × 14 = 126/210 - Likewise, for the 2nd fraction, since 14 × 15 = 210,
18/14 = 18 × 15/14 × 15 = 270/210 - Subtract the two like fractions:
126/210 - 270/210 = 126 - 270/210 = -144/210 - After reducing the fraction, the answer is -24/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/15-18/14 9/15-36/14 9/30-18/14 9/15-18/28 27/15-18/14 9/15-54/14 9/45-18/14 9/15-18/42 45/15-18/14 9/15-90/14 9/75-18/14 9/15-18/70 63/15-18/14 9/15-18/98