Add 70/12 and 1/9
1st number: 5 10/12, 2nd number: 1/9
70/12 + 1/9 is 107/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 9 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 12 × 3 = 36,
70/12 = 70 × 3/12 × 3 = 210/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
1/9 = 1 × 4/9 × 4 = 4/36 - Add the two like fractions:
210/36 + 4/36 = 210 + 4/36 = 214/36 - 214/36 simplified gives 107/18
- So, 70/12 + 1/9 = 107/18
In mixed form: 517/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/12+2/9 70/24+1/9 70/12+1/18 70/12+3/9 70/36+1/9 70/12+1/27 70/12+5/9 70/60+1/9 70/12+1/45 70/12+7/9 70/84+1/9 70/12+1/63