Add 12/3 and 20/45
1st number: 4 0/3, 2nd number: 20/45
12/3 + 20/45 is 40/9.
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,
20/45 = 20 × 1/45 × 1 = 20/45 - Add the two like fractions:
180/45 + 20/45 = 180 + 20/45 = 200/45 - 200/45 simplified gives 40/9
- So, 12/3 + 20/45 = 40/9
In mixed form: 44/9
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