Add 84/42 and 4/12
1st number: 2 0/42, 2nd number: 4/12
84/42 + 4/12 is 7/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
84/42 = 84 × 2/42 × 2 = 168/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
4/12 = 4 × 7/12 × 7 = 28/84 - Add the two like fractions:
168/84 + 28/84 = 168 + 28/84 = 196/84 - 196/84 simplified gives 7/3
- So, 84/42 + 4/12 = 7/3
In mixed form: 21/3
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