Add 42/9 and 81/36
1st number: 4 6/9, 2nd number: 2 9/36
42/9 + 81/36 is 83/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
42/9 = 42 × 4/9 × 4 = 168/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
81/36 = 81 × 1/36 × 1 = 81/36 - Add the two like fractions:
168/36 + 81/36 = 168 + 81/36 = 249/36 - 249/36 simplified gives 83/12
- So, 42/9 + 81/36 = 83/12
In mixed form: 611/12
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