Add 70/28 and 12/9
1st number: 2 14/28, 2nd number: 1 3/9
70/28 + 12/9 is 23/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 9 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
70/28 = 70 × 9/28 × 9 = 630/252 - Likewise, for the 2nd fraction, since 9 × 28 = 252,
12/9 = 12 × 28/9 × 28 = 336/252 - Add the two like fractions:
630/252 + 336/252 = 630 + 336/252 = 966/252 - 966/252 simplified gives 23/6
- So, 70/28 + 12/9 = 23/6
In mixed form: 35/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/28+24/9 70/56+12/9 70/28+12/18 70/28+36/9 70/84+12/9 70/28+12/27 70/28+60/9 70/28+12/45 70/28+84/9 70/28+12/63