Add 12/70 and 10/9
1st number: 12/70, 2nd number: 1 1/9
12/70 + 10/9 is 404/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 9 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
12/70 = 12 × 9/70 × 9 = 108/630 - Likewise, for the 2nd fraction, since 9 × 70 = 630,
10/9 = 10 × 70/9 × 70 = 700/630 - Add the two like fractions:
108/630 + 700/630 = 108 + 700/630 = 808/630 - 808/630 simplified gives 404/315
- So, 12/70 + 10/9 = 404/315
In mixed form: 189/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/70+10/9 12/70+20/9 12/70+10/18 36/70+10/9 12/70+30/9 12/70+10/27 60/70+10/9 12/70+50/9 12/70+10/45 84/70+10/9 12/70+70/9 12/70+10/63