Add 40/18 and 30/54
1st number: 2 4/18, 2nd number: 30/54
40/18 + 30/54 is 25/9.
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,
40/18 = 40 × 3/18 × 3 = 120/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
30/54 = 30 × 1/54 × 1 = 30/54 - Add the two like fractions:
120/54 + 30/54 = 120 + 30/54 = 150/54 - 150/54 simplified gives 25/9
- So, 40/18 + 30/54 = 25/9
In mixed form: 27/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/18+30/54 40/18+60/54 40/36+30/54 40/18+90/54 40/54+30/54 40/90+30/54