Add 84/12 and 36/15
1st number: 7 0/12, 2nd number: 2 6/15
84/12 + 36/15 is 47/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
84/12 = 84 × 5/12 × 5 = 420/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
36/15 = 36 × 4/15 × 4 = 144/60 - Add the two like fractions:
420/60 + 144/60 = 420 + 144/60 = 564/60 - 564/60 simplified gives 47/5
- So, 84/12 + 36/15 = 47/5
In mixed form: 92/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/12+72/15 84/24+36/15 84/12+36/30 84/36+36/15 84/12+36/45 84/60+36/15 84/12+36/75