Add 4/54 and 30/21
1st number: 4/54, 2nd number: 1 9/21
4/54 + 30/21 is 284/189.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 21 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
4/54 = 4 × 7/54 × 7 = 28/378 - Likewise, for the 2nd fraction, since 21 × 18 = 378,
30/21 = 30 × 18/21 × 18 = 540/378 - Add the two like fractions:
28/378 + 540/378 = 28 + 540/378 = 568/378 - 568/378 simplified gives 284/189
- So, 4/54 + 30/21 = 284/189
In mixed form: 195/189
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