Add 63/42 and 12/16
1st number: 1 21/42, 2nd number: 12/16
63/42 + 12/16 is 9/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 16 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 42 × 8 = 336,
63/42 = 63 × 8/42 × 8 = 504/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
12/16 = 12 × 21/16 × 21 = 252/336 - Add the two like fractions:
504/336 + 252/336 = 504 + 252/336 = 756/336 - 756/336 simplified gives 9/4
- So, 63/42 + 12/16 = 9/4
In mixed form: 21/4
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