Subtract 49/70 from 10/98
10/98 - 49/70 is -293/490.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 70 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 98 × 5 = 490,
10/98 = 10 × 5/98 × 5 = 50/490 - Likewise, for the 2nd fraction, since 70 × 7 = 490,
49/70 = 49 × 7/70 × 7 = 343/490 - Subtract the two like fractions:
50/490 - 343/490 = 50 - 343/490 = -293/490
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/98-49/70 10/98-98/70 30/98-49/70 50/98-49/70 70/98-49/70