Add 84/9 and 45/12
1st number: 9 3/9, 2nd number: 3 9/12
84/9 + 45/12 is 157/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
84/9 = 84 × 4/9 × 4 = 336/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
45/12 = 45 × 3/12 × 3 = 135/36 - Add the two like fractions:
336/36 + 135/36 = 336 + 135/36 = 471/36 - 471/36 simplified gives 157/12
- So, 84/9 + 45/12 = 157/12
In mixed form: 131/12
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