Add 45/12 and 42/27
1st number: 3 9/12, 2nd number: 1 15/27
45/12 + 42/27 is 191/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 27 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 12 × 9 = 108,
45/12 = 45 × 9/12 × 9 = 405/108 - Likewise, for the 2nd fraction, since 27 × 4 = 108,
42/27 = 42 × 4/27 × 4 = 168/108 - Add the two like fractions:
405/108 + 168/108 = 405 + 168/108 = 573/108 - 573/108 simplified gives 191/36
- So, 45/12 + 42/27 = 191/36
In mixed form: 511/36
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