Add 7/15 and 70/12
1st number: 7/15, 2nd number: 5 10/12
7/15 + 70/12 is 63/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
7/15 = 7 × 4/15 × 4 = 28/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
70/12 = 70 × 5/12 × 5 = 350/60 - Add the two like fractions:
28/60 + 350/60 = 28 + 350/60 = 378/60 - 378/60 simplified gives 63/10
- So, 7/15 + 70/12 = 63/10
In mixed form: 63/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/15+70/12 7/30+70/12 7/15+70/24 21/15+70/12 7/45+70/12 7/15+70/36 35/15+70/12 7/75+70/12 7/15+70/60 49/15+70/12 7/15+70/84