Add 84/4 and 80/27
1st number: 21 0/4, 2nd number: 2 26/27
84/4 + 80/27 is 647/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 27 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 4 × 27 = 108,
84/4 = 84 × 27/4 × 27 = 2268/108 - Likewise, for the 2nd fraction, since 27 × 4 = 108,
80/27 = 80 × 4/27 × 4 = 320/108 - Add the two like fractions:
2268/108 + 320/108 = 2268 + 320/108 = 2588/108 - 2588/108 simplified gives 647/27
- So, 84/4 + 80/27 = 647/27
In mixed form: 2326/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/8+80/27 84/4+80/54 84/12+80/27 84/4+80/81 84/20+80/27 84/28+80/27