Add 30/18 and 8/54
1st number: 1 12/18, 2nd number: 8/54
30/18 + 8/54 is 49/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 54 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 18 × 3 = 54,
30/18 = 30 × 3/18 × 3 = 90/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
8/54 = 8 × 1/54 × 1 = 8/54 - Add the two like fractions:
90/54 + 8/54 = 90 + 8/54 = 98/54 - 98/54 simplified gives 49/27
- So, 30/18 + 8/54 = 49/27
In mixed form: 122/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/18+8/54 30/18+16/54 30/36+8/54 90/18+8/54 30/18+24/54 30/54+8/54 30/18+40/54 30/90+8/54 30/18+56/54