Add 21/36 and 45/98
21/36 + 45/98 is 613/588.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 98 is 1764
Next, find the equivalent fraction of both fractional numbers with denominator 1764 - For the 1st fraction, since 36 × 49 = 1764,
21/36 = 21 × 49/36 × 49 = 1029/1764 - Likewise, for the 2nd fraction, since 98 × 18 = 1764,
45/98 = 45 × 18/98 × 18 = 810/1764 - Add the two like fractions:
1029/1764 + 810/1764 = 1029 + 810/1764 = 1839/1764 - 1839/1764 simplified gives 613/588
- So, 21/36 + 45/98 = 613/588
In mixed form: 125/588
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