Add 63/81 and 20/12
1st number: 63/81, 2nd number: 1 8/12
63/81 + 20/12 is 22/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 12 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 81 × 4 = 324,
63/81 = 63 × 4/81 × 4 = 252/324 - Likewise, for the 2nd fraction, since 12 × 27 = 324,
20/12 = 20 × 27/12 × 27 = 540/324 - Add the two like fractions:
252/324 + 540/324 = 252 + 540/324 = 792/324 - 792/324 simplified gives 22/9
- So, 63/81 + 20/12 = 22/9
In mixed form: 24/9
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