Add 5/21 and 12/98
5/21 + 12/98 is 53/147.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 98 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 21 × 14 = 294,
5/21 = 5 × 14/21 × 14 = 70/294 - Likewise, for the 2nd fraction, since 98 × 3 = 294,
12/98 = 12 × 3/98 × 3 = 36/294 - Add the two like fractions:
70/294 + 36/294 = 70 + 36/294 = 106/294 - 106/294 simplified gives 53/147
- So, 5/21 + 12/98 = 53/147
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/21+12/98 5/21+24/98 5/42+12/98 15/21+12/98 5/21+36/98 5/63+12/98 25/21+12/98 5/21+60/98 35/21+12/98 5/21+84/98