Add 8/54 and 90/18
1st number: 8/54, 2nd number: 5 0/18
8/54 + 90/18 is 139/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 18 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 54 × 1 = 54,
8/54 = 8 × 1/54 × 1 = 8/54 - Likewise, for the 2nd fraction, since 18 × 3 = 54,
90/18 = 90 × 3/18 × 3 = 270/54 - Add the two like fractions:
8/54 + 270/54 = 8 + 270/54 = 278/54 - 278/54 simplified gives 139/27
- So, 8/54 + 90/18 = 139/27
In mixed form: 54/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/54+90/18 8/54+90/36 24/54+90/18 8/54+90/54 40/54+90/18 56/54+90/18