Add 20/54 and 28/7, Solve 20/54 + 4 0/7 as a fraction

Add 20/54 and 28/7

1^st number: 20/54, 2^nd number: 4 0/7

20/54 + 28/7 is 118/27.

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,
20/54 = 20 × 7/54 × 7 = 140/378
Likewise, for the 2nd fraction, since 7 × 54 = 378,
28/7 = 28 × 54/7 × 54 = 1512/378
Add the two like fractions:
140/378 + 1512/378 = 140 + 1512/378 = 1652/378
1652/378 simplified gives 118/27
So, 20/54 + 28/7 = 118/27
In mixed form: 410/27

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