Add 81/12 and 15/63
1st number: 6 9/12, 2nd number: 15/63
81/12 + 15/63 is 587/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 12 × 21 = 252,
81/12 = 81 × 21/12 × 21 = 1701/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
15/63 = 15 × 4/63 × 4 = 60/252 - Add the two like fractions:
1701/252 + 60/252 = 1701 + 60/252 = 1761/252 - 1761/252 simplified gives 587/84
- So, 81/12 + 15/63 = 587/84
In mixed form: 683/84
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