Add 45/21 and 21/98
1st number: 2 3/21, 2nd number: 21/98
45/21 + 21/98 is 33/14.
Steps for adding 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,
21/98 = 21 × 3/98 × 3 = 63/294 - Add the two like fractions:
630/294 + 63/294 = 630 + 63/294 = 693/294 - 693/294 simplified gives 33/14
- So, 45/21 + 21/98 = 33/14
In mixed form: 25/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/21+21/98 45/21+42/98 45/42+21/98 45/21+63/98 45/63+21/98