Add 18/9 and 90/98
1st number: 2 0/9, 2nd number: 90/98
18/9 + 90/98 is 143/49.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 98 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 9 × 98 = 882,
18/9 = 18 × 98/9 × 98 = 1764/882 - Likewise, for the 2nd fraction, since 98 × 9 = 882,
90/98 = 90 × 9/98 × 9 = 810/882 - Add the two like fractions:
1764/882 + 810/882 = 1764 + 810/882 = 2574/882 - 2574/882 simplified gives 143/49
- So, 18/9 + 90/98 = 143/49
In mixed form: 245/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/9+90/98 54/9+90/98 18/27+90/98 90/9+90/98 18/45+90/98 18/63+90/98