Add 42/84 and 63/36
1st number: 42/84, 2nd number: 1 27/36
42/84 + 63/36 is 9/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
42/84 = 42 × 3/84 × 3 = 126/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
63/36 = 63 × 7/36 × 7 = 441/252 - Add the two like fractions:
126/252 + 441/252 = 126 + 441/252 = 567/252 - 567/252 simplified gives 9/4
- So, 42/84 + 63/36 = 9/4
In mixed form: 21/4
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