Add 90/36 and 21/98
1st number: 2 18/36, 2nd number: 21/98
90/36 + 21/98 is 19/7.
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,
90/36 = 90 × 49/36 × 49 = 4410/1764 - Likewise, for the 2nd fraction, since 98 × 18 = 1764,
21/98 = 21 × 18/98 × 18 = 378/1764 - Add the two like fractions:
4410/1764 + 378/1764 = 4410 + 378/1764 = 4788/1764 - 4788/1764 simplified gives 19/7
- So, 90/36 + 21/98 = 19/7
In mixed form: 25/7
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