Add 4/12 and 80/84
4/12 + 80/84 is 9/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
4/12 = 4 × 7/12 × 7 = 28/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
80/84 = 80 × 1/84 × 1 = 80/84 - Add the two like fractions:
28/84 + 80/84 = 28 + 80/84 = 108/84 - 108/84 simplified gives 9/7
- So, 4/12 + 80/84 = 9/7
In mixed form: 12/7
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