Add 4/81 and 84/7
1st number: 4/81, 2nd number: 12 0/7
4/81 + 84/7 is 976/81.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 7 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 81 × 7 = 567,
4/81 = 4 × 7/81 × 7 = 28/567 - Likewise, for the 2nd fraction, since 7 × 81 = 567,
84/7 = 84 × 81/7 × 81 = 6804/567 - Add the two like fractions:
28/567 + 6804/567 = 28 + 6804/567 = 6832/567 - 6832/567 simplified gives 976/81
- So, 4/81 + 84/7 = 976/81
In mixed form: 124/81
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