Add 21/36 and 84/54
1st number: 21/36, 2nd number: 1 30/54
21/36 + 84/54 is 77/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 54 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 36 × 3 = 108,
21/36 = 21 × 3/36 × 3 = 63/108 - Likewise, for the 2nd fraction, since 54 × 2 = 108,
84/54 = 84 × 2/54 × 2 = 168/108 - Add the two like fractions:
63/108 + 168/108 = 63 + 168/108 = 231/108 - 231/108 simplified gives 77/36
- So, 21/36 + 84/54 = 77/36
In mixed form: 25/36
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