Add 21/18 and 90/98
1st number: 1 3/18, 2nd number: 90/98
21/18 + 90/98 is 613/294.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 98 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 18 × 49 = 882,
21/18 = 21 × 49/18 × 49 = 1029/882 - Likewise, for the 2nd fraction, since 98 × 9 = 882,
90/98 = 90 × 9/98 × 9 = 810/882 - Add the two like fractions:
1029/882 + 810/882 = 1029 + 810/882 = 1839/882 - 1839/882 simplified gives 613/294
- So, 21/18 + 90/98 = 613/294
In mixed form: 225/294
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