Add 81/15 and 7/9
1st number: 5 6/15, 2nd number: 7/9
81/15 + 7/9 is 278/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 15 × 3 = 45,
81/15 = 81 × 3/15 × 3 = 243/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
7/9 = 7 × 5/9 × 5 = 35/45 - Add the two like fractions:
243/45 + 35/45 = 243 + 35/45 = 278/45 - So, 81/15 + 7/9 = 278/45
In mixed form: 68/45
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