Add 42/6 and 48/27, Solve 7 0/6 + 1 21/27 as a fraction

Add 42/6 and 48/27

1^st number: 7 0/6, 2^nd number: 1 21/27

42/6 + 48/27 is 79/9.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 27 is 54

Next, find the equivalent fraction of both fractional numbers with denominator 54
For the 1st fraction, since 6 × 9 = 54,
42/6 = 42 × 9/6 × 9 = 378/54
Likewise, for the 2nd fraction, since 27 × 2 = 54,
48/27 = 48 × 2/27 × 2 = 96/54
Add the two like fractions:
378/54 + 96/54 = 378 + 96/54 = 474/54
474/54 simplified gives 79/9
So, 42/6 + 48/27 = 79/9
In mixed form: 87/9

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