Subtract 40/98 from 2/70
2/70 - 40/98 is -93/245.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 98 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 98 × 5 = 490,
40/98 = 40 × 5/98 × 5 = 200/490 - Subtract the two like fractions:
14/490 - 200/490 = 14 - 200/490 = -186/490 - After reducing the fraction, the answer is -93/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/70-40/98 2/70-80/98 6/70-40/98 10/70-40/98 14/70-40/98