Add 20/27 and 84/4
1st number: 20/27, 2nd number: 21 0/4
20/27 + 84/4 is 587/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 4 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 27 × 4 = 108,
20/27 = 20 × 4/27 × 4 = 80/108 - Likewise, for the 2nd fraction, since 4 × 27 = 108,
84/4 = 84 × 27/4 × 27 = 2268/108 - Add the two like fractions:
80/108 + 2268/108 = 80 + 2268/108 = 2348/108 - 2348/108 simplified gives 587/27
- So, 20/27 + 84/4 = 587/27
In mixed form: 2120/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/27+84/4 20/54+84/4 20/27+84/8 60/27+84/4 20/81+84/4 20/27+84/12 20/27+84/20 20/27+84/28