Add 18/54 and 30/7
1st number: 18/54, 2nd number: 4 2/7
18/54 + 30/7 is 97/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 7 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
18/54 = 18 × 7/54 × 7 = 126/378 - Likewise, for the 2nd fraction, since 7 × 54 = 378,
30/7 = 30 × 54/7 × 54 = 1620/378 - Add the two like fractions:
126/378 + 1620/378 = 126 + 1620/378 = 1746/378 - 1746/378 simplified gives 97/21
- So, 18/54 + 30/7 = 97/21
In mixed form: 413/21
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