Add 81/63 and 4/12
1st number: 1 18/63, 2nd number: 4/12
81/63 + 4/12 is 34/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 12 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
81/63 = 81 × 4/63 × 4 = 324/252 - Likewise, for the 2nd fraction, since 12 × 21 = 252,
4/12 = 4 × 21/12 × 21 = 84/252 - Add the two like fractions:
324/252 + 84/252 = 324 + 84/252 = 408/252 - 408/252 simplified gives 34/21
- So, 81/63 + 4/12 = 34/21
In mixed form: 113/21
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