Subtract 42/7 from 2/10
1st number: 2/10, 2nd number: 6 0/7
2/10 - 42/7 is -29/5.
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,
2/10 = 2 × 7/10 × 7 = 14/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
42/7 = 42 × 10/7 × 10 = 420/70 - Subtract the two like fractions:
14/70 - 420/70 = 14 - 420/70 = -406/70 - After reducing the fraction, the answer is -29/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/10-42/7 2/10-84/7 2/20-42/7 2/10-42/14 6/10-42/7 2/30-42/7 2/10-42/21 2/50-42/7 2/10-42/35 14/10-42/7 2/70-42/7 2/10-42/49