Add 84/56 and 81/12
1st number: 1 28/56, 2nd number: 6 9/12
84/56 + 81/12 is 33/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 12 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
84/56 = 84 × 3/56 × 3 = 252/168 - Likewise, for the 2nd fraction, since 12 × 14 = 168,
81/12 = 81 × 14/12 × 14 = 1134/168 - Add the two like fractions:
252/168 + 1134/168 = 252 + 1134/168 = 1386/168 - 1386/168 simplified gives 33/4
- So, 84/56 + 81/12 = 33/4
In mixed form: 81/4
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