Add 5/27 and 28/21
1st number: 5/27, 2nd number: 1 7/21
5/27 + 28/21 is 41/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 21 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 27 × 7 = 189,
5/27 = 5 × 7/27 × 7 = 35/189 - Likewise, for the 2nd fraction, since 21 × 9 = 189,
28/21 = 28 × 9/21 × 9 = 252/189 - Add the two like fractions:
35/189 + 252/189 = 35 + 252/189 = 287/189 - 287/189 simplified gives 41/27
- So, 5/27 + 28/21 = 41/27
In mixed form: 114/27
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