Subtract 42/9 from 14/15
1st number: 14/15, 2nd number: 4 6/9
14/15 - 42/9 is -56/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 15 × 3 = 45,
14/15 = 14 × 3/15 × 3 = 42/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
42/9 = 42 × 5/9 × 5 = 210/45 - Subtract the two like fractions:
42/45 - 210/45 = 42 - 210/45 = -168/45 - After reducing the fraction, the answer is -56/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/15-42/9 14/15-84/9 14/30-42/9 14/15-42/18 42/15-42/9 14/45-42/9 14/15-42/27 70/15-42/9 14/75-42/9 14/15-42/45 98/15-42/9 14/15-42/63