Add 7/9 and 80/12
1st number: 7/9, 2nd number: 6 8/12
7/9 + 80/12 is 67/9.
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,
7/9 = 7 × 4/9 × 4 = 28/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
80/12 = 80 × 3/12 × 3 = 240/36 - Add the two like fractions:
28/36 + 240/36 = 28 + 240/36 = 268/36 - 268/36 simplified gives 67/9
- So, 7/9 + 80/12 = 67/9
In mixed form: 74/9
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