Add 72/7 and 30/81
1st number: 10 2/7, 2nd number: 30/81
72/7 + 30/81 is 2014/189.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 81 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 7 × 81 = 567,
72/7 = 72 × 81/7 × 81 = 5832/567 - Likewise, for the 2nd fraction, since 81 × 7 = 567,
30/81 = 30 × 7/81 × 7 = 210/567 - Add the two like fractions:
5832/567 + 210/567 = 5832 + 210/567 = 6042/567 - 6042/567 simplified gives 2014/189
- So, 72/7 + 30/81 = 2014/189
In mixed form: 10124/189
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