Subtract 6/7 from 42/10
1st number: 4 2/10, 2nd number: 6/7
42/10 - 6/7 is 117/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 7 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
42/10 = 42 × 7/10 × 7 = 294/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
6/7 = 6 × 10/7 × 10 = 60/70 - Subtract the two like fractions:
294/70 - 60/70 = 294 - 60/70 = 234/70 - After reducing the fraction, the answer is 117/35
- In mixed form: 312/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/10-6/7 42/10-12/7 42/20-6/7 42/10-6/14 42/10-18/7 42/30-6/7 42/10-6/21 42/10-30/7 42/50-6/7 42/10-6/35 42/10-42/7 42/70-6/7 42/10-6/49