Subtract 14/7 from 3/10
1st number: 3/10, 2nd number: 2 0/7
3/10 - 14/7 is -17/10.
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,
3/10 = 3 × 7/10 × 7 = 21/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
14/7 = 14 × 10/7 × 10 = 140/70 - Subtract the two like fractions:
21/70 - 140/70 = 21 - 140/70 = -119/70 - After reducing the fraction, the answer is -17/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/10-14/7 3/10-28/7 3/20-14/7 9/10-14/7 3/10-42/7 3/30-14/7 3/10-14/21 15/10-14/7 3/10-70/7 3/50-14/7 3/10-14/35 21/10-14/7 3/10-98/7 3/70-14/7 3/10-14/49