Add 21/98 and 16/12
1st number: 21/98, 2nd number: 1 4/12
21/98 + 16/12 is 65/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 12 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 98 × 6 = 588,
21/98 = 21 × 6/98 × 6 = 126/588 - Likewise, for the 2nd fraction, since 12 × 49 = 588,
16/12 = 16 × 49/12 × 49 = 784/588 - Add the two like fractions:
126/588 + 784/588 = 126 + 784/588 = 910/588 - 910/588 simplified gives 65/42
- So, 21/98 + 16/12 = 65/42
In mixed form: 123/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/98+16/12 21/98+32/12 21/98+16/24 63/98+16/12 21/98+48/12 21/98+16/36 21/98+80/12 21/98+16/60 21/98+16/84