Subtract 90/98 from 45/3
1st number: 15 0/3, 2nd number: 90/98
45/3 - 90/98 is 690/49.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 98 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 3 × 98 = 294,
45/3 = 45 × 98/3 × 98 = 4410/294 - Likewise, for the 2nd fraction, since 98 × 3 = 294,
90/98 = 90 × 3/98 × 3 = 270/294 - Subtract the two like fractions:
4410/294 - 270/294 = 4410 - 270/294 = 4140/294 - After reducing the fraction, the answer is 690/49
- In mixed form: 144/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/3-90/98 45/6-90/98 45/9-90/98 45/15-90/98 45/21-90/98