Subtract 1/98 from 45/21
1st number: 2 3/21, 2nd number: 1/98
45/21 - 1/98 is 209/98.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 98 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 21 × 14 = 294,
45/21 = 45 × 14/21 × 14 = 630/294 - Likewise, for the 2nd fraction, since 98 × 3 = 294,
1/98 = 1 × 3/98 × 3 = 3/294 - Subtract the two like fractions:
630/294 - 3/294 = 630 - 3/294 = 627/294 - After reducing the fraction, the answer is 209/98
- In mixed form: 213/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/21-1/98 45/21-2/98 45/42-1/98 45/21-3/98 45/63-1/98 45/21-5/98 45/21-7/98