Add 75/81 and 18/7
1st number: 75/81, 2nd number: 2 4/7
75/81 + 18/7 is 661/189.
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,
75/81 = 75 × 7/81 × 7 = 525/567 - Likewise, for the 2nd fraction, since 7 × 81 = 567,
18/7 = 18 × 81/7 × 81 = 1458/567 - Add the two like fractions:
525/567 + 1458/567 = 525 + 1458/567 = 1983/567 - 1983/567 simplified gives 661/189
- So, 75/81 + 18/7 = 661/189
In mixed form: 394/189
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