Add 12/9 and 84/80
1st number: 1 3/9, 2nd number: 1 4/80
12/9 + 84/80 is 143/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 9 × 80 = 720,
12/9 = 12 × 80/9 × 80 = 960/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
84/80 = 84 × 9/80 × 9 = 756/720 - Add the two like fractions:
960/720 + 756/720 = 960 + 756/720 = 1716/720 - 1716/720 simplified gives 143/60
- So, 12/9 + 84/80 = 143/60
In mixed form: 223/60
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