Add 81/6 and 84/42
1st number: 13 3/6, 2nd number: 2 0/42
81/6 + 84/42 is 31/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
81/6 = 81 × 7/6 × 7 = 567/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
84/42 = 84 × 1/42 × 1 = 84/42 - Add the two like fractions:
567/42 + 84/42 = 567 + 84/42 = 651/42 - 651/42 simplified gives 31/2
- So, 81/6 + 84/42 = 31/2
In mixed form: 151/2
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