Add 2/15 and 70/20
1st number: 2/15, 2nd number: 3 10/20
2/15 + 70/20 is 109/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
2/15 = 2 × 4/15 × 4 = 8/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
70/20 = 70 × 3/20 × 3 = 210/60 - Add the two like fractions:
8/60 + 210/60 = 8 + 210/60 = 218/60 - 218/60 simplified gives 109/30
- So, 2/15 + 70/20 = 109/30
In mixed form: 319/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/15+70/20 2/30+70/20 2/15+70/40 6/15+70/20 2/45+70/20 2/15+70/60 10/15+70/20 2/75+70/20 14/15+70/20