Add 84/98 and 7/5
1st number: 84/98, 2nd number: 1 2/5
84/98 + 7/5 is 79/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 5 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 5 × 98 = 490,
7/5 = 7 × 98/5 × 98 = 686/490 - Add the two like fractions:
420/490 + 686/490 = 420 + 686/490 = 1106/490 - 1106/490 simplified gives 79/35
- So, 84/98 + 7/5 = 79/35
In mixed form: 29/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/98+14/5 84/98+7/10 84/98+21/5 84/98+7/15 84/98+35/5 84/98+7/25 84/98+49/5 84/98+7/35