Add 18/7 and 10/54, Solve 2 4/7 + 10/54 as a fraction

Add 18/7 and 10/54

1^st number: 2 4/7, 2^nd number: 10/54

18/7 + 10/54 is 521/189.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 54 is 378

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 7 × 54 = 378,
18/7 = 18 × 54/7 × 54 = 972/378
Likewise, for the 2nd fraction, since 54 × 7 = 378,
10/54 = 10 × 7/54 × 7 = 70/378
Add the two like fractions:
972/378 + 70/378 = 972 + 70/378 = 1042/378
1042/378 simplified gives 521/189
So, 18/7 + 10/54 = 521/189
In mixed form: 2143/189

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