Add 42/12 and 45/36
1st number: 3 6/12, 2nd number: 1 9/36
42/12 + 45/36 is 19/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 12 × 3 = 36,
42/12 = 42 × 3/12 × 3 = 126/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
45/36 = 45 × 1/36 × 1 = 45/36 - Add the two like fractions:
126/36 + 45/36 = 126 + 45/36 = 171/36 - 171/36 simplified gives 19/4
- So, 42/12 + 45/36 = 19/4
In mixed form: 43/4
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