Subtract 90/7 from 2/70
1st number: 2/70, 2nd number: 12 6/7
2/70 - 90/7 is -449/35.
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,
2/70 = 2 × 1/70 × 1 = 2/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
90/7 = 90 × 10/7 × 10 = 900/70 - Subtract the two like fractions:
2/70 - 900/70 = 2 - 900/70 = -898/70 - After reducing the fraction, the answer is -449/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/70-90/7 2/70-90/14 6/70-90/7 2/70-90/21 10/70-90/7 2/70-90/35 14/70-90/7 2/70-90/49