Add 84/27 and 12/5
1st number: 3 3/27, 2nd number: 2 2/5
84/27 + 12/5 is 248/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 5 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 27 × 5 = 135,
84/27 = 84 × 5/27 × 5 = 420/135 - Likewise, for the 2nd fraction, since 5 × 27 = 135,
12/5 = 12 × 27/5 × 27 = 324/135 - Add the two like fractions:
420/135 + 324/135 = 420 + 324/135 = 744/135 - 744/135 simplified gives 248/45
- So, 84/27 + 12/5 = 248/45
In mixed form: 523/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/27+24/5 84/54+12/5 84/27+12/10 84/27+36/5 84/81+12/5 84/27+12/15 84/27+60/5 84/27+12/25 84/27+84/5 84/27+12/35