Add 75/27 and 56/21
1st number: 2 21/27, 2nd number: 2 14/21
75/27 + 56/21 is 49/9.
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,
75/27 = 75 × 7/27 × 7 = 525/189 - Likewise, for the 2nd fraction, since 21 × 9 = 189,
56/21 = 56 × 9/21 × 9 = 504/189 - Add the two like fractions:
525/189 + 504/189 = 525 + 504/189 = 1029/189 - 1029/189 simplified gives 49/9
- So, 75/27 + 56/21 = 49/9
In mixed form: 54/9
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