Subtract 4/10 from 7/70
7/70 - 4/10 is -3/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
7/70 = 7 × 1/70 × 1 = 7/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
4/10 = 4 × 7/10 × 7 = 28/70 - Subtract the two like fractions:
7/70 - 28/70 = 7 - 28/70 = -21/70 - After reducing the fraction, the answer is -3/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/70-4/10 7/70-8/10 7/70-4/20 21/70-4/10 7/70-12/10 7/70-4/30 35/70-4/10 7/70-20/10 7/70-4/50 49/70-4/10 7/70-28/10 7/70-4/70