Add 4/98 and 12/21
4/98 + 12/21 is 30/49.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 21 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 98 × 3 = 294,
4/98 = 4 × 3/98 × 3 = 12/294 - Likewise, for the 2nd fraction, since 21 × 14 = 294,
12/21 = 12 × 14/21 × 14 = 168/294 - Add the two like fractions:
12/294 + 168/294 = 12 + 168/294 = 180/294 - 180/294 simplified gives 30/49
- So, 4/98 + 12/21 = 30/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/98+12/21 4/98+24/21 4/98+12/42 12/98+12/21 4/98+36/21 4/98+12/63 20/98+12/21 4/98+60/21 28/98+12/21 4/98+84/21