Add 18/9 and 21/98
1st number: 2 0/9, 2nd number: 21/98
18/9 + 21/98 is 31/14.
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,
21/98 = 21 × 9/98 × 9 = 189/882 - Add the two like fractions:
1764/882 + 189/882 = 1764 + 189/882 = 1953/882 - 1953/882 simplified gives 31/14
- So, 18/9 + 21/98 = 31/14
In mixed form: 23/14
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