Add 81/6 and 84/63
1st number: 13 3/6, 2nd number: 1 21/63
81/6 + 84/63 is 89/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 6 × 21 = 126,
81/6 = 81 × 21/6 × 21 = 1701/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
84/63 = 84 × 2/63 × 2 = 168/126 - Add the two like fractions:
1701/126 + 168/126 = 1701 + 168/126 = 1869/126 - 1869/126 simplified gives 89/6
- So, 81/6 + 84/63 = 89/6
In mixed form: 145/6
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