Subtract 14/15 from 42/30
1st number: 1 12/30, 2nd number: 14/15
42/30 - 14/15 is 7/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
42/30 = 42 × 1/30 × 1 = 42/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
14/15 = 14 × 2/15 × 2 = 28/30 - Subtract the two like fractions:
42/30 - 28/30 = 42 - 28/30 = 14/30 - After reducing the fraction, the answer is 7/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/30-14/15 42/30-28/15 42/60-14/15 42/30-14/30 42/30-42/15 42/90-14/15 42/30-14/45 42/30-70/15 42/30-14/75 42/30-98/15