Add 54/72 and 27/6, Solve 54/72 + 4 3/6 as a fraction

Add 54/72 and 27/6

1^st number: 54/72, 2^nd number: 4 3/6

54/72 + 27/6 is 21/4.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 6 is 72

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 72 × 1 = 72,
54/72 = 54 × 1/72 × 1 = 54/72
Likewise, for the 2nd fraction, since 6 × 12 = 72,
27/6 = 27 × 12/6 × 12 = 324/72
Add the two like fractions:
54/72 + 324/72 = 54 + 324/72 = 378/72
378/72 simplified gives 21/4
So, 54/72 + 27/6 = 21/4
In mixed form: 51/4

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