Subtract 3/7 from 4/10
4/10 - 3/7 is -1/35.
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,
4/10 = 4 × 7/10 × 7 = 28/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
3/7 = 3 × 10/7 × 10 = 30/70 - Subtract the two like fractions:
28/70 - 30/70 = 28 - 30/70 = -2/70 - After reducing the fraction, the answer is -1/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/10-3/7 4/10-6/7 4/20-3/7 4/10-3/14 12/10-3/7 4/10-9/7 4/30-3/7 4/10-3/21 20/10-3/7 4/10-15/7 4/50-3/7 4/10-3/35 28/10-3/7 4/10-21/7 4/70-3/7 4/10-3/49