Subtract 10/15 from 42/6
1st number: 7 0/6, 2nd number: 10/15
42/6 - 10/15 is 19/3.
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,
42/6 = 42 × 5/6 × 5 = 210/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
10/15 = 10 × 2/15 × 2 = 20/30 - Subtract the two like fractions:
210/30 - 20/30 = 210 - 20/30 = 190/30 - After reducing the fraction, the answer is 19/3
- In mixed form: 61/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/6-10/15 42/6-20/15 42/12-10/15 42/6-10/30 42/6-30/15 42/18-10/15 42/6-10/45 42/6-50/15 42/30-10/15 42/6-10/75 42/6-70/15