Add 18/72 and 42/8, Solve 18/72 + 5 2/8 as a fraction

Add 18/72 and 42/8

1^st number: 18/72, 2^nd number: 5 2/8

18/72 + 42/8 is 11/2.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 8 is 72

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 72 × 1 = 72,
18/72 = 18 × 1/72 × 1 = 18/72
Likewise, for the 2nd fraction, since 8 × 9 = 72,
42/8 = 42 × 9/8 × 9 = 378/72
Add the two like fractions:
18/72 + 378/72 = 18 + 378/72 = 396/72
396/72 simplified gives 11/2
So, 18/72 + 42/8 = 11/2
In mixed form: 51/2

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