Add 9/84 and 20/12
1st number: 9/84, 2nd number: 1 8/12
9/84 + 20/12 is 149/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
9/84 = 9 × 1/84 × 1 = 9/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
20/12 = 20 × 7/12 × 7 = 140/84 - Add the two like fractions:
9/84 + 140/84 = 9 + 140/84 = 149/84 - So, 9/84 + 20/12 = 149/84
In mixed form: 165/84
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