Add 30/21 and 35/54
1st number: 1 9/21, 2nd number: 35/54
30/21 + 35/54 is 785/378.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 21 × 18 = 378,
30/21 = 30 × 18/21 × 18 = 540/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
35/54 = 35 × 7/54 × 7 = 245/378 - Add the two like fractions:
540/378 + 245/378 = 540 + 245/378 = 785/378 - So, 30/21 + 35/54 = 785/378
In mixed form: 229/378
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