Subtract 15/8 from 3/98
1st number: 3/98, 2nd number: 1 7/8
3/98 - 15/8 is -723/392.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 8 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 98 × 4 = 392,
3/98 = 3 × 4/98 × 4 = 12/392 - Likewise, for the 2nd fraction, since 8 × 49 = 392,
15/8 = 15 × 49/8 × 49 = 735/392 - Subtract the two like fractions:
12/392 - 735/392 = 12 - 735/392 = -723/392
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/98-15/8 3/98-30/8 3/98-15/16 9/98-15/8 3/98-45/8 3/98-15/24 15/98-15/8 3/98-75/8 3/98-15/40 21/98-15/8 3/98-15/56