Add 28/21 and 16/98
1st number: 1 7/21, 2nd number: 16/98
28/21 + 16/98 is 220/147.
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,
28/21 = 28 × 14/21 × 14 = 392/294 - Likewise, for the 2nd fraction, since 98 × 3 = 294,
16/98 = 16 × 3/98 × 3 = 48/294 - Add the two like fractions:
392/294 + 48/294 = 392 + 48/294 = 440/294 - 440/294 simplified gives 220/147
- So, 28/21 + 16/98 = 220/147
In mixed form: 173/147
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/21+16/98 28/21+32/98 28/42+16/98 84/21+16/98 28/21+48/98 28/63+16/98 28/21+80/98