Add 63/84 and 81/12
1st number: 63/84, 2nd number: 6 9/12
63/84 + 81/12 is 15/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
63/84 = 63 × 1/84 × 1 = 63/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
81/12 = 81 × 7/12 × 7 = 567/84 - Add the two like fractions:
63/84 + 567/84 = 63 + 567/84 = 630/84 - 630/84 simplified gives 15/2
- So, 63/84 + 81/12 = 15/2
In mixed form: 71/2
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