Add 42/50 and 45/12, Solve 42/50 + 3 9/12 as a fraction

Add 42/50 and 45/12

1^st number: 42/50, 2^nd number: 3 9/12

42/50 + 45/12 is 459/100.

Find the least common denominator or LCM of the two denominators:
LCM of 50 and 12 is 300

Next, find the equivalent fraction of both fractional numbers with denominator 300
For the 1st fraction, since 50 × 6 = 300,
42/50 = 42 × 6/50 × 6 = 252/300
Likewise, for the 2nd fraction, since 12 × 25 = 300,
45/12 = 45 × 25/12 × 25 = 1125/300
Add the two like fractions:
252/300 + 1125/300 = 252 + 1125/300 = 1377/300
1377/300 simplified gives 459/100
So, 42/50 + 45/12 = 459/100
In mixed form: 459/100

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