Add 2/15 and 80/70
1st number: 2/15, 2nd number: 1 10/70
2/15 + 80/70 is 134/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
2/15 = 2 × 14/15 × 14 = 28/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
80/70 = 80 × 3/70 × 3 = 240/210 - Add the two like fractions:
28/210 + 240/210 = 28 + 240/210 = 268/210 - 268/210 simplified gives 134/105
- So, 2/15 + 80/70 = 134/105
In mixed form: 129/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/15+80/70 2/30+80/70 6/15+80/70 2/45+80/70 10/15+80/70 2/75+80/70 14/15+80/70