Add 56/21 and 20/27
1st number: 2 14/21, 2nd number: 20/27
56/21 + 20/27 is 92/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 27 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 21 × 9 = 189,
56/21 = 56 × 9/21 × 9 = 504/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
20/27 = 20 × 7/27 × 7 = 140/189 - Add the two like fractions:
504/189 + 140/189 = 504 + 140/189 = 644/189 - 644/189 simplified gives 92/27
- So, 56/21 + 20/27 = 92/27
In mixed form: 311/27
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