Add 42/9 and 7/12, Solve 4 6/9 + 7/12 as a fraction

Add 42/9 and 7/12

1^st number: 4 6/9, 2^nd number: 7/12

42/9 + 7/12 is 21/4.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 12 is 36

Next, find the equivalent fraction of both fractional numbers with denominator 36
For the 1st fraction, since 9 × 4 = 36,
42/9 = 42 × 4/9 × 4 = 168/36
Likewise, for the 2nd fraction, since 12 × 3 = 36,
7/12 = 7 × 3/12 × 3 = 21/36
Add the two like fractions:
168/36 + 21/36 = 168 + 21/36 = 189/36
189/36 simplified gives 21/4
So, 42/9 + 7/12 = 21/4
In mixed form: 51/4

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