Add 84/27 and 20/5
1st number: 3 3/27, 2nd number: 4 0/5
84/27 + 20/5 is 64/9.
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,
20/5 = 20 × 27/5 × 27 = 540/135 - Add the two like fractions:
420/135 + 540/135 = 420 + 540/135 = 960/135 - 960/135 simplified gives 64/9
- So, 84/27 + 20/5 = 64/9
In mixed form: 71/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/27+40/5 84/54+20/5 84/27+20/10 84/27+60/5 84/81+20/5 84/27+20/15 84/27+20/25 84/27+20/35