Add 81/63 and 30/36
1st number: 1 18/63, 2nd number: 30/36
81/63 + 30/36 is 89/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 36 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 36 × 7 = 252,
30/36 = 30 × 7/36 × 7 = 210/252 - Add the two like fractions:
324/252 + 210/252 = 324 + 210/252 = 534/252 - 534/252 simplified gives 89/42
- So, 81/63 + 30/36 = 89/42
In mixed form: 25/42
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