Subtract 9/7 from 4/70
1st number: 4/70, 2nd number: 1 2/7
4/70 - 9/7 is -43/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 7 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
4/70 = 4 × 1/70 × 1 = 4/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
9/7 = 9 × 10/7 × 10 = 90/70 - Subtract the two like fractions:
4/70 - 90/70 = 4 - 90/70 = -86/70 - After reducing the fraction, the answer is -43/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/70-9/7 4/70-18/7 4/70-9/14 12/70-9/7 4/70-27/7 4/70-9/21 20/70-9/7 4/70-45/7 4/70-9/35 28/70-9/7 4/70-63/7 4/70-9/49