Add 45/42 and 63/12
1st number: 1 3/42, 2nd number: 5 3/12
45/42 + 63/12 is 177/28.
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,
45/42 = 45 × 2/42 × 2 = 90/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
63/12 = 63 × 7/12 × 7 = 441/84 - Add the two like fractions:
90/84 + 441/84 = 90 + 441/84 = 531/84 - 531/84 simplified gives 177/28
- So, 45/42 + 63/12 = 177/28
In mixed form: 69/28
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