Add 12/16 and 20/45
12/16 + 20/45 is 43/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 45 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 16 × 45 = 720,
12/16 = 12 × 45/16 × 45 = 540/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
20/45 = 20 × 16/45 × 16 = 320/720 - Add the two like fractions:
540/720 + 320/720 = 540 + 320/720 = 860/720 - 860/720 simplified gives 43/36
- So, 12/16 + 20/45 = 43/36
In mixed form: 17/36
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