Add 12/42 and 63/4
1st number: 12/42, 2nd number: 15 3/4
12/42 + 63/4 is 449/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 4 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
12/42 = 12 × 2/42 × 2 = 24/84 - Likewise, for the 2nd fraction, since 4 × 21 = 84,
63/4 = 63 × 21/4 × 21 = 1323/84 - Add the two like fractions:
24/84 + 1323/84 = 24 + 1323/84 = 1347/84 - 1347/84 simplified gives 449/28
- So, 12/42 + 63/4 = 449/28
In mixed form: 161/28
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