Add 70/98 and 18/12
1st number: 70/98, 2nd number: 1 6/12
70/98 + 18/12 is 31/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 12 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 98 × 6 = 588,
70/98 = 70 × 6/98 × 6 = 420/588 - Likewise, for the 2nd fraction, since 12 × 49 = 588,
18/12 = 18 × 49/12 × 49 = 882/588 - Add the two like fractions:
420/588 + 882/588 = 420 + 882/588 = 1302/588 - 1302/588 simplified gives 31/14
- So, 70/98 + 18/12 = 31/14
In mixed form: 23/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/98+36/12 70/98+18/24 70/98+54/12 70/98+18/36 70/98+90/12 70/98+18/60 70/98+18/84