Add 1/18 and 40/5
1st number: 1/18, 2nd number: 8 0/5
1/18 + 40/5 is 145/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 5 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
1/18 = 1 × 5/18 × 5 = 5/90 - Likewise, for the 2nd fraction, since 5 × 18 = 90,
40/5 = 40 × 18/5 × 18 = 720/90 - Add the two like fractions:
5/90 + 720/90 = 5 + 720/90 = 725/90 - 725/90 simplified gives 145/18
- So, 1/18 + 40/5 = 145/18
In mixed form: 81/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/18+40/5 1/18+80/5 1/36+40/5 1/18+40/10 3/18+40/5 1/54+40/5 1/18+40/15 5/18+40/5 1/90+40/5 1/18+40/25 7/18+40/5 1/18+40/35