Add 21/54 and 28/36
21/54 + 28/36 is 7/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 36 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 54 × 2 = 108,
21/54 = 21 × 2/54 × 2 = 42/108 - Likewise, for the 2nd fraction, since 36 × 3 = 108,
28/36 = 28 × 3/36 × 3 = 84/108 - Add the two like fractions:
42/108 + 84/108 = 42 + 84/108 = 126/108 - 126/108 simplified gives 7/6
- So, 21/54 + 28/36 = 7/6
In mixed form: 11/6
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