Add 30/4 and 24/42, Solve 7 2/4 + 24/42 as a fraction

Add 30/4 and 24/42

1^st number: 7 2/4, 2^nd number: 24/42

30/4 + 24/42 is 113/14.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 42 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 4 × 21 = 84,
30/4 = 30 × 21/4 × 21 = 630/84
Likewise, for the 2nd fraction, since 42 × 2 = 84,
24/42 = 24 × 2/42 × 2 = 48/84
Add the two like fractions:
630/84 + 48/84 = 630 + 48/84 = 678/84
678/84 simplified gives 113/14
So, 30/4 + 24/42 = 113/14
In mixed form: 81/14

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