Subtract 15/30 from 10/98
10/98 - 15/30 is -39/98.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 30 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 98 × 15 = 1470,
10/98 = 10 × 15/98 × 15 = 150/1470 - Likewise, for the 2nd fraction, since 30 × 49 = 1470,
15/30 = 15 × 49/30 × 49 = 735/1470 - Subtract the two like fractions:
150/1470 - 735/1470 = 150 - 735/1470 = -585/1470 - After reducing the fraction, the answer is -39/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/98-15/30 10/98-15/60 30/98-15/30 10/98-45/30 10/98-15/90 50/98-15/30 10/98-75/30 70/98-15/30