Add 36/15 and 84/7
1st number: 2 6/15, 2nd number: 12 0/7
36/15 + 84/7 is 72/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 7 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 15 × 7 = 105,
36/15 = 36 × 7/15 × 7 = 252/105 - Likewise, for the 2nd fraction, since 7 × 15 = 105,
84/7 = 84 × 15/7 × 15 = 1260/105 - Add the two like fractions:
252/105 + 1260/105 = 252 + 1260/105 = 1512/105 - 1512/105 simplified gives 72/5
- So, 36/15 + 84/7 = 72/5
In mixed form: 142/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/15+84/7 36/30+84/7 36/15+84/14 36/45+84/7 36/15+84/21 36/75+84/7 36/15+84/35 36/15+84/49