Add 15/81 and 56/7
1st number: 15/81, 2nd number: 8 0/7
15/81 + 56/7 is 221/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 7 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 81 × 7 = 567,
15/81 = 15 × 7/81 × 7 = 105/567 - Likewise, for the 2nd fraction, since 7 × 81 = 567,
56/7 = 56 × 81/7 × 81 = 4536/567 - Add the two like fractions:
105/567 + 4536/567 = 105 + 4536/567 = 4641/567 - 4641/567 simplified gives 221/27
- So, 15/81 + 56/7 = 221/27
In mixed form: 85/27
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