Add 84/15 and 70/30
1st number: 5 9/15, 2nd number: 2 10/30
84/15 + 70/30 is 119/15.
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,
84/15 = 84 × 2/15 × 2 = 168/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
70/30 = 70 × 1/30 × 1 = 70/30 - Add the two like fractions:
168/30 + 70/30 = 168 + 70/30 = 238/30 - 238/30 simplified gives 119/15
- So, 84/15 + 70/30 = 119/15
In mixed form: 714/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/30+70/30 84/15+70/60 84/45+70/30 84/15+70/90 84/75+70/30