Add 30/54 and 81/14
1st number: 30/54, 2nd number: 5 11/14
30/54 + 81/14 is 799/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 14 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
30/54 = 30 × 7/54 × 7 = 210/378 - Likewise, for the 2nd fraction, since 14 × 27 = 378,
81/14 = 81 × 27/14 × 27 = 2187/378 - Add the two like fractions:
210/378 + 2187/378 = 210 + 2187/378 = 2397/378 - 2397/378 simplified gives 799/126
- So, 30/54 + 81/14 = 799/126
In mixed form: 643/126
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