Add 84/98 and 9/10
84/98 + 9/10 is 123/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 10 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 98 × 5 = 490,
84/98 = 84 × 5/98 × 5 = 420/490 - Likewise, for the 2nd fraction, since 10 × 49 = 490,
9/10 = 9 × 49/10 × 49 = 441/490 - Add the two like fractions:
420/490 + 441/490 = 420 + 441/490 = 861/490 - 861/490 simplified gives 123/70
- So, 84/98 + 9/10 = 123/70
In mixed form: 153/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/98+18/10 84/98+9/20 84/98+27/10 84/98+9/30 84/98+45/10 84/98+9/50 84/98+63/10 84/98+9/70