Add 42/63 and 81/36
1st number: 42/63, 2nd number: 2 9/36
42/63 + 81/36 is 35/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
42/63 = 42 × 4/63 × 4 = 168/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
81/36 = 81 × 7/36 × 7 = 567/252 - Add the two like fractions:
168/252 + 567/252 = 168 + 567/252 = 735/252 - 735/252 simplified gives 35/12
- So, 42/63 + 81/36 = 35/12
In mixed form: 211/12
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