Subtract 80/49 from 2/70
1st number: 2/70, 2nd number: 1 31/49
2/70 - 80/49 is -393/245.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 49 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 70 × 7 = 490,
2/70 = 2 × 7/70 × 7 = 14/490 - Likewise, for the 2nd fraction, since 49 × 10 = 490,
80/49 = 80 × 10/49 × 10 = 800/490 - Subtract the two like fractions:
14/490 - 800/490 = 14 - 800/490 = -786/490 - After reducing the fraction, the answer is -393/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/70-80/49 2/70-80/98 6/70-80/49 10/70-80/49 14/70-80/49