Add 36/63 and 81/84
36/63 + 81/84 is 43/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
36/63 = 36 × 4/63 × 4 = 144/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
81/84 = 81 × 3/84 × 3 = 243/252 - Add the two like fractions:
144/252 + 243/252 = 144 + 243/252 = 387/252 - 387/252 simplified gives 43/28
- So, 36/63 + 81/84 = 43/28
In mixed form: 115/28
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