Add 81/12 and 70/8
1st number: 6 9/12, 2nd number: 8 6/8
81/12 + 70/8 is 31/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 8 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 12 × 2 = 24,
81/12 = 81 × 2/12 × 2 = 162/24 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
70/8 = 70 × 3/8 × 3 = 210/24 - Add the two like fractions:
162/24 + 210/24 = 162 + 210/24 = 372/24 - 372/24 simplified gives 31/2
- So, 81/12 + 70/8 = 31/2
In mixed form: 151/2
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