Subtract 42/15 from 9/14
1st number: 9/14, 2nd number: 2 12/15
9/14 - 42/15 is -151/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 15 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 14 × 15 = 210,
9/14 = 9 × 15/14 × 15 = 135/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
42/15 = 42 × 14/15 × 14 = 588/210 - Subtract the two like fractions:
135/210 - 588/210 = 135 - 588/210 = -453/210 - After reducing the fraction, the answer is -151/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/14-42/15 9/14-84/15 9/28-42/15 9/14-42/30 27/14-42/15 9/42-42/15 9/14-42/45 45/14-42/15 9/70-42/15 9/14-42/75 63/14-42/15 9/98-42/15