Add 81/12 and 35/72
1st number: 6 9/12, 2nd number: 35/72
81/12 + 35/72 is 521/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 12 × 6 = 72,
81/12 = 81 × 6/12 × 6 = 486/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
35/72 = 35 × 1/72 × 1 = 35/72 - Add the two like fractions:
486/72 + 35/72 = 486 + 35/72 = 521/72 - So, 81/12 + 35/72 = 521/72
In mixed form: 717/72
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