Subtract 7/98 from 5/30
5/30 - 7/98 is 2/21.
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,
5/30 = 5 × 49/30 × 49 = 245/1470 - Likewise, for the 2nd fraction, since 98 × 15 = 1470,
7/98 = 7 × 15/98 × 15 = 105/1470 - Subtract the two like fractions:
245/1470 - 105/1470 = 245 - 105/1470 = 140/1470 - After reducing the fraction, the answer is 2/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/30-7/98 5/30-14/98 5/60-7/98 15/30-7/98 5/30-21/98 5/90-7/98 25/30-7/98 5/30-35/98 35/30-7/98 5/30-49/98