Subtract 45/8 from 15/98
1st number: 15/98, 2nd number: 5 5/8
15/98 - 45/8 is -2145/392.
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,
15/98 = 15 × 4/98 × 4 = 60/392 - Likewise, for the 2nd fraction, since 8 × 49 = 392,
45/8 = 45 × 49/8 × 49 = 2205/392 - Subtract the two like fractions:
60/392 - 2205/392 = 60 - 2205/392 = -2145/392
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/98-45/8 15/98-90/8 15/98-45/16 45/98-45/8 15/98-45/24 75/98-45/8 15/98-45/40 15/98-45/56