Add 30/81 and 8/7
1st number: 30/81, 2nd number: 1 1/7
30/81 + 8/7 is 286/189.
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,
30/81 = 30 × 7/81 × 7 = 210/567 - Likewise, for the 2nd fraction, since 7 × 81 = 567,
8/7 = 8 × 81/7 × 81 = 648/567 - Add the two like fractions:
210/567 + 648/567 = 210 + 648/567 = 858/567 - 858/567 simplified gives 286/189
- So, 30/81 + 8/7 = 286/189
In mixed form: 197/189
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