Subtract 42/35 from 14/15
1st number: 14/15, 2nd number: 1 7/35
14/15 - 42/35 is -4/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 35 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 15 × 7 = 105,
14/15 = 14 × 7/15 × 7 = 98/105 - Likewise, for the 2nd fraction, since 35 × 3 = 105,
42/35 = 42 × 3/35 × 3 = 126/105 - Subtract the two like fractions:
98/105 - 126/105 = 98 - 126/105 = -28/105 - After reducing the fraction, the answer is -4/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/15-42/35 14/15-84/35 14/30-42/35 14/15-42/70 42/15-42/35 14/45-42/35 70/15-42/35 14/75-42/35 98/15-42/35