Add 63/9 and 81/12
1st number: 7 0/9, 2nd number: 6 9/12
63/9 + 81/12 is 55/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
63/9 = 63 × 4/9 × 4 = 252/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
81/12 = 81 × 3/12 × 3 = 243/36 - Add the two like fractions:
252/36 + 243/36 = 252 + 243/36 = 495/36 - 495/36 simplified gives 55/4
- So, 63/9 + 81/12 = 55/4
In mixed form: 133/4
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