Add 63/12 and 84/42
1st number: 5 3/12, 2nd number: 2 0/42
63/12 + 84/42 is 29/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
63/12 = 63 × 7/12 × 7 = 441/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
84/42 = 84 × 2/42 × 2 = 168/84 - Add the two like fractions:
441/84 + 168/84 = 441 + 168/84 = 609/84 - 609/84 simplified gives 29/4
- So, 63/12 + 84/42 = 29/4
In mixed form: 71/4
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