Subtract 8/98 from 7/30
7/30 - 8/98 is 223/1470.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 98 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 30 × 49 = 1470,
7/30 = 7 × 49/30 × 49 = 343/1470 - Likewise, for the 2nd fraction, since 98 × 15 = 1470,
8/98 = 8 × 15/98 × 15 = 120/1470 - Subtract the two like fractions:
343/1470 - 120/1470 = 343 - 120/1470 = 223/1470
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/30-8/98 7/30-16/98 7/60-8/98 21/30-8/98 7/30-24/98 7/90-8/98 35/30-8/98 7/30-40/98 49/30-8/98 7/30-56/98