Add 12/15 and 84/27
1st number: 12/15, 2nd number: 3 3/27
12/15 + 84/27 is 176/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 15 × 9 = 135,
12/15 = 12 × 9/15 × 9 = 108/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
84/27 = 84 × 5/27 × 5 = 420/135 - Add the two like fractions:
108/135 + 420/135 = 108 + 420/135 = 528/135 - 528/135 simplified gives 176/45
- So, 12/15 + 84/27 = 176/45
In mixed form: 341/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/15+84/27 12/30+84/27 12/15+84/54 36/15+84/27 12/45+84/27 12/15+84/81 60/15+84/27 12/75+84/27 84/15+84/27