Add 18/36 and 80/49
1st number: 18/36, 2nd number: 1 31/49
18/36 + 80/49 is 209/98.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 49 is 1764
Next, find the equivalent fraction of both fractional numbers with denominator 1764 - For the 1st fraction, since 36 × 49 = 1764,
18/36 = 18 × 49/36 × 49 = 882/1764 - Likewise, for the 2nd fraction, since 49 × 36 = 1764,
80/49 = 80 × 36/49 × 36 = 2880/1764 - Add the two like fractions:
882/1764 + 2880/1764 = 882 + 2880/1764 = 3762/1764 - 3762/1764 simplified gives 209/98
- So, 18/36 + 80/49 = 209/98
In mixed form: 213/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/72+80/49 18/36+80/98 54/36+80/49 90/36+80/49