Add 3/15 and 70/30
1st number: 3/15, 2nd number: 2 10/30
3/15 + 70/30 is 38/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
3/15 = 3 × 2/15 × 2 = 6/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
70/30 = 70 × 1/30 × 1 = 70/30 - Add the two like fractions:
6/30 + 70/30 = 6 + 70/30 = 76/30 - 76/30 simplified gives 38/15
- So, 3/15 + 70/30 = 38/15
In mixed form: 28/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/15+70/30 3/30+70/30 3/15+70/60 9/15+70/30 3/45+70/30 3/15+70/90 3/75+70/30 21/15+70/30