Subtract 90/24 from 15/98
1st number: 15/98, 2nd number: 3 18/24
15/98 - 90/24 is -705/196.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 24 is 1176
Next, find the equivalent fraction of both fractional numbers with denominator 1176 - For the 1st fraction, since 98 × 12 = 1176,
15/98 = 15 × 12/98 × 12 = 180/1176 - Likewise, for the 2nd fraction, since 24 × 49 = 1176,
90/24 = 90 × 49/24 × 49 = 4410/1176 - Subtract the two like fractions:
180/1176 - 4410/1176 = 180 - 4410/1176 = -4230/1176 - After reducing the fraction, the answer is -705/196
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/98-90/24 15/98-90/48 45/98-90/24 15/98-90/72 75/98-90/24