Add 42/64 and 45/12, Solve 42/64 + 3 9/12 as a fraction

Add 42/64 and 45/12

1^st number: 42/64, 2^nd number: 3 9/12

42/64 + 45/12 is 141/32.

Find the least common denominator or LCM of the two denominators:
LCM of 64 and 12 is 192

Next, find the equivalent fraction of both fractional numbers with denominator 192
For the 1st fraction, since 64 × 3 = 192,
42/64 = 42 × 3/64 × 3 = 126/192
Likewise, for the 2nd fraction, since 12 × 16 = 192,
45/12 = 45 × 16/12 × 16 = 720/192
Add the two like fractions:
126/192 + 720/192 = 126 + 720/192 = 846/192
846/192 simplified gives 141/32
So, 42/64 + 45/12 = 141/32
In mixed form: 413/32

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