Add 7/9 and 81/72
1st number: 7/9, 2nd number: 1 9/72
7/9 + 81/72 is 137/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
7/9 = 7 × 8/9 × 8 = 56/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
81/72 = 81 × 1/72 × 1 = 81/72 - Add the two like fractions:
56/72 + 81/72 = 56 + 81/72 = 137/72 - So, 7/9 + 81/72 = 137/72
In mixed form: 165/72
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