Add 28/54 and 4/7
28/54 + 4/7 is 206/189.
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,
28/54 = 28 × 7/54 × 7 = 196/378 - Likewise, for the 2nd fraction, since 7 × 54 = 378,
4/7 = 4 × 54/7 × 54 = 216/378 - Add the two like fractions:
196/378 + 216/378 = 196 + 216/378 = 412/378 - 412/378 simplified gives 206/189
- So, 28/54 + 4/7 = 206/189
In mixed form: 117/189
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