Add 45/2 and 30/18
1st number: 22 1/2, 2nd number: 1 12/18
45/2 + 30/18 is 145/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 2 × 9 = 18,
45/2 = 45 × 9/2 × 9 = 405/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
30/18 = 30 × 1/18 × 1 = 30/18 - Add the two like fractions:
405/18 + 30/18 = 405 + 30/18 = 435/18 - 435/18 simplified gives 145/6
- So, 45/2 + 30/18 = 145/6
In mixed form: 241/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/2+30/18 45/2+60/18 45/4+30/18 45/2+30/36 45/2+90/18 45/6+30/18 45/2+30/54 45/10+30/18 45/2+30/90 45/14+30/18