Add 6/12 and 21/98
6/12 + 21/98 is 5/7.
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,
6/12 = 6 × 49/12 × 49 = 294/588 - Likewise, for the 2nd fraction, since 98 × 6 = 588,
21/98 = 21 × 6/98 × 6 = 126/588 - Add the two like fractions:
294/588 + 126/588 = 294 + 126/588 = 420/588 - 420/588 simplified gives 5/7
- So, 6/12 + 21/98 = 5/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/12+42/98 6/24+21/98 18/12+21/98 6/12+63/98 6/36+21/98 30/12+21/98 6/60+21/98 42/12+21/98 6/84+21/98