Add 12/3 and 42/45
1st number: 4 0/3, 2nd number: 42/45
12/3 + 42/45 is 74/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 3 × 15 = 45,
12/3 = 12 × 15/3 × 15 = 180/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
42/45 = 42 × 1/45 × 1 = 42/45 - Add the two like fractions:
180/45 + 42/45 = 180 + 42/45 = 222/45 - 222/45 simplified gives 74/15
- So, 12/3 + 42/45 = 74/15
In mixed form: 414/15
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