Add 4/45 and 42/12, Solve 4/45 + 3 6/12 as a fraction

Add 4/45 and 42/12

1^st number: 4/45, 2^nd number: 3 6/12

4/45 + 42/12 is 323/90.

Find the least common denominator or LCM of the two denominators:
LCM of 45 and 12 is 180

Next, find the equivalent fraction of both fractional numbers with denominator 180
For the 1st fraction, since 45 × 4 = 180,
4/45 = 4 × 4/45 × 4 = 16/180
Likewise, for the 2nd fraction, since 12 × 15 = 180,
42/12 = 42 × 15/12 × 15 = 630/180
Add the two like fractions:
16/180 + 630/180 = 16 + 630/180 = 646/180
646/180 simplified gives 323/90
So, 4/45 + 42/12 = 323/90
In mixed form: 353/90

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