Add 72/6 and 81/7
1st number: 12 0/6, 2nd number: 11 4/7
72/6 + 81/7 is 165/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 7 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
72/6 = 72 × 7/6 × 7 = 504/42 - Likewise, for the 2nd fraction, since 7 × 6 = 42,
81/7 = 81 × 6/7 × 6 = 486/42 - Add the two like fractions:
504/42 + 486/42 = 504 + 486/42 = 990/42 - 990/42 simplified gives 165/7
- So, 72/6 + 81/7 = 165/7
In mixed form: 234/7
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