Add 84/15 and 28/35
1st number: 5 9/15, 2nd number: 28/35
84/15 + 28/35 is 32/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 35 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 15 × 7 = 105,
84/15 = 84 × 7/15 × 7 = 588/105 - Likewise, for the 2nd fraction, since 35 × 3 = 105,
28/35 = 28 × 3/35 × 3 = 84/105 - Add the two like fractions:
588/105 + 84/105 = 588 + 84/105 = 672/105 - 672/105 simplified gives 32/5
- So, 84/15 + 28/35 = 32/5
In mixed form: 62/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/15+56/35 84/30+28/35 84/15+28/70 84/15+84/35 84/45+28/35 84/75+28/35