Add 1/18 and 80/50
1st number: 1/18, 2nd number: 1 30/50
1/18 + 80/50 is 149/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 18 × 25 = 450,
1/18 = 1 × 25/18 × 25 = 25/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
80/50 = 80 × 9/50 × 9 = 720/450 - Add the two like fractions:
25/450 + 720/450 = 25 + 720/450 = 745/450 - 745/450 simplified gives 149/90
- So, 1/18 + 80/50 = 149/90
In mixed form: 159/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/18+80/50 1/36+80/50 3/18+80/50 1/54+80/50 5/18+80/50 1/90+80/50 7/18+80/50