Add 2/15 and 70/28
1st number: 2/15, 2nd number: 2 14/28
2/15 + 70/28 is 79/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 28 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 15 × 28 = 420,
2/15 = 2 × 28/15 × 28 = 56/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
70/28 = 70 × 15/28 × 15 = 1050/420 - Add the two like fractions:
56/420 + 1050/420 = 56 + 1050/420 = 1106/420 - 1106/420 simplified gives 79/30
- So, 2/15 + 70/28 = 79/30
In mixed form: 219/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/15+70/28 2/30+70/28 2/15+70/56 6/15+70/28 2/45+70/28 2/15+70/84 10/15+70/28 2/75+70/28 14/15+70/28