Add 84/72 and 3/12
1st number: 1 12/72, 2nd number: 3/12
84/72 + 3/12 is 17/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 12 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
84/72 = 84 × 1/72 × 1 = 84/72 - Likewise, for the 2nd fraction, since 12 × 6 = 72,
3/12 = 3 × 6/12 × 6 = 18/72 - Add the two like fractions:
84/72 + 18/72 = 84 + 18/72 = 102/72 - 102/72 simplified gives 17/12
- So, 84/72 + 3/12 = 17/12
In mixed form: 15/12
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