Add 45/12 and 42/3
1st number: 3 9/12, 2nd number: 14 0/3
45/12 + 42/3 is 71/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 3 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 12 × 1 = 12,
45/12 = 45 × 1/12 × 1 = 45/12 - Likewise, for the 2nd fraction, since 3 × 4 = 12,
42/3 = 42 × 4/3 × 4 = 168/12 - Add the two like fractions:
45/12 + 168/12 = 45 + 168/12 = 213/12 - 213/12 simplified gives 71/4
- So, 45/12 + 42/3 = 71/4
In mixed form: 173/4
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