Add 81/5 and 21/27
1st number: 16 1/5, 2nd number: 21/27
81/5 + 21/27 is 764/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 5 × 27 = 135,
81/5 = 81 × 27/5 × 27 = 2187/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
21/27 = 21 × 5/27 × 5 = 105/135 - Add the two like fractions:
2187/135 + 105/135 = 2187 + 105/135 = 2292/135 - 2292/135 simplified gives 764/45
- So, 81/5 + 21/27 = 764/45
In mixed form: 1644/45
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