Add 18/81 and 30/7
1st number: 18/81, 2nd number: 4 2/7
18/81 + 30/7 is 284/63.
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,
18/81 = 18 × 7/81 × 7 = 126/567 - Likewise, for the 2nd fraction, since 7 × 81 = 567,
30/7 = 30 × 81/7 × 81 = 2430/567 - Add the two like fractions:
126/567 + 2430/567 = 126 + 2430/567 = 2556/567 - 2556/567 simplified gives 284/63
- So, 18/81 + 30/7 = 284/63
In mixed form: 432/63
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