Add 84/98 and 21/25
84/98 + 21/25 is 297/175.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 25 is 2450
Next, find the equivalent fraction of both fractional numbers with denominator 2450 - For the 1st fraction, since 98 × 25 = 2450,
84/98 = 84 × 25/98 × 25 = 2100/2450 - Likewise, for the 2nd fraction, since 25 × 98 = 2450,
21/25 = 21 × 98/25 × 98 = 2058/2450 - Add the two like fractions:
2100/2450 + 2058/2450 = 2100 + 2058/2450 = 4158/2450 - 4158/2450 simplified gives 297/175
- So, 84/98 + 21/25 = 297/175
In mixed form: 1122/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/98+42/25 84/98+21/50 84/98+63/25 84/98+21/75