Add 21/12 and 25/98
1st number: 1 9/12, 2nd number: 25/98
21/12 + 25/98 is 393/196.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 98 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 12 × 49 = 588,
21/12 = 21 × 49/12 × 49 = 1029/588 - Likewise, for the 2nd fraction, since 98 × 6 = 588,
25/98 = 25 × 6/98 × 6 = 150/588 - Add the two like fractions:
1029/588 + 150/588 = 1029 + 150/588 = 1179/588 - 1179/588 simplified gives 393/196
- So, 21/12 + 25/98 = 393/196
In mixed form: 21/196
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/12+25/98 21/12+50/98 21/24+25/98 63/12+25/98 21/12+75/98 21/36+25/98 21/60+25/98 21/84+25/98