Add 45/18 and 1/45
1st number: 2 9/18, 2nd number: 1/45
45/18 + 1/45 is 227/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
45/18 = 45 × 5/18 × 5 = 225/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
1/45 = 1 × 2/45 × 2 = 2/90 - Add the two like fractions:
225/90 + 2/90 = 225 + 2/90 = 227/90 - So, 45/18 + 1/45 = 227/90
In mixed form: 247/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/18+1/45 45/18+2/45 45/36+1/45 45/18+1/90 45/18+3/45 45/54+1/45 45/18+5/45 45/90+1/45 45/18+7/45