Subtract 5/98 from 4/70
4/70 - 5/98 is 3/490.
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,
4/70 = 4 × 7/70 × 7 = 28/490 - Likewise, for the 2nd fraction, since 98 × 5 = 490,
5/98 = 5 × 5/98 × 5 = 25/490 - Subtract the two like fractions:
28/490 - 25/490 = 28 - 25/490 = 3/490
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/70-5/98 4/70-10/98 12/70-5/98 4/70-15/98 20/70-5/98 4/70-25/98 28/70-5/98 4/70-35/98