Add 30/36 and 21/98
30/36 + 21/98 is 22/21.
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,
30/36 = 30 × 49/36 × 49 = 1470/1764 - Likewise, for the 2nd fraction, since 98 × 18 = 1764,
21/98 = 21 × 18/98 × 18 = 378/1764 - Add the two like fractions:
1470/1764 + 378/1764 = 1470 + 378/1764 = 1848/1764 - 1848/1764 simplified gives 22/21
- So, 30/36 + 21/98 = 22/21
In mixed form: 11/21
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