Add 15/7 and 40/54, Solve 2 1/7 + 40/54 as a fraction

Add 15/7 and 40/54

1^st number: 2 1/7, 2^nd number: 40/54

15/7 + 40/54 is 545/189.

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,
15/7 = 15 × 54/7 × 54 = 810/378
Likewise, for the 2nd fraction, since 54 × 7 = 378,
40/54 = 40 × 7/54 × 7 = 280/378
Add the two like fractions:
810/378 + 280/378 = 810 + 280/378 = 1090/378
1090/378 simplified gives 545/189
So, 15/7 + 40/54 = 545/189
In mixed form: 2167/189

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