Add 84/63 and 81/84
1st number: 1 21/63, 2nd number: 81/84
84/63 + 81/84 is 193/84.
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,
84/63 = 84 × 4/63 × 4 = 336/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
81/84 = 81 × 3/84 × 3 = 243/252 - Add the two like fractions:
336/252 + 243/252 = 336 + 243/252 = 579/252 - 579/252 simplified gives 193/84
- So, 84/63 + 81/84 = 193/84
In mixed form: 225/84
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