Add 21/98 and 4/12
21/98 + 4/12 is 23/42.
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,
4/12 = 4 × 49/12 × 49 = 196/588 - Add the two like fractions:
126/588 + 196/588 = 126 + 196/588 = 322/588 - 322/588 simplified gives 23/42
- So, 21/98 + 4/12 = 23/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/98+4/12 21/98+8/12 21/98+4/24 63/98+4/12 21/98+4/36 21/98+20/12 21/98+4/60 21/98+28/12 21/98+4/84