Add 70/84 and 18/98
70/84 + 18/98 is 299/294.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 98 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 84 × 7 = 588,
70/84 = 70 × 7/84 × 7 = 490/588 - Likewise, for the 2nd fraction, since 98 × 6 = 588,
18/98 = 18 × 6/98 × 6 = 108/588 - Add the two like fractions:
490/588 + 108/588 = 490 + 108/588 = 598/588 - 598/588 simplified gives 299/294
- So, 70/84 + 18/98 = 299/294
In mixed form: 15/294
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/84+36/98 70/84+54/98 70/84+90/98