Add 4/54 and 28/21
1st number: 4/54, 2nd number: 1 7/21
4/54 + 28/21 is 38/27.
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,
28/21 = 28 × 18/21 × 18 = 504/378 - Add the two like fractions:
28/378 + 504/378 = 28 + 504/378 = 532/378 - 532/378 simplified gives 38/27
- So, 4/54 + 28/21 = 38/27
In mixed form: 111/27
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