Subtract 42/15 from 4/6
1st number: 4/6, 2nd number: 2 12/15
4/6 - 42/15 is -32/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 6 × 5 = 30,
4/6 = 4 × 5/6 × 5 = 20/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
42/15 = 42 × 2/15 × 2 = 84/30 - Subtract the two like fractions:
20/30 - 84/30 = 20 - 84/30 = -64/30 - After reducing the fraction, the answer is -32/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/6-42/15 4/6-84/15 4/12-42/15 4/6-42/30 12/6-42/15 4/18-42/15 4/6-42/45 20/6-42/15 4/30-42/15 4/6-42/75 28/6-42/15 4/42-42/15