Add 84/27 and 75/90
1st number: 3 3/27, 2nd number: 75/90
84/27 + 75/90 is 71/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 90 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 27 × 10 = 270,
84/27 = 84 × 10/27 × 10 = 840/270 - Likewise, for the 2nd fraction, since 90 × 3 = 270,
75/90 = 75 × 3/90 × 3 = 225/270 - Add the two like fractions:
840/270 + 225/270 = 840 + 225/270 = 1065/270 - 1065/270 simplified gives 71/18
- So, 84/27 + 75/90 = 71/18
In mixed form: 317/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/54+75/90 84/81+75/90