Add 12/15 and 70/10
1st number: 12/15, 2nd number: 7 0/10
12/15 + 70/10 is 39/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
12/15 = 12 × 2/15 × 2 = 24/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
70/10 = 70 × 3/10 × 3 = 210/30 - Add the two like fractions:
24/30 + 210/30 = 24 + 210/30 = 234/30 - 234/30 simplified gives 39/5
- So, 12/15 + 70/10 = 39/5
In mixed form: 74/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/15+70/10 12/30+70/10 12/15+70/20 36/15+70/10 12/45+70/10 12/15+70/30 60/15+70/10 12/75+70/10 12/15+70/50 84/15+70/10