Add 12/16 and 30/45
12/16 + 30/45 is 17/12.
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,
30/45 = 30 × 16/45 × 16 = 480/720 - Add the two like fractions:
540/720 + 480/720 = 540 + 480/720 = 1020/720 - 1020/720 simplified gives 17/12
- So, 12/16 + 30/45 = 17/12
In mixed form: 15/12
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