Add 72/27 and 28/7
1st number: 2 18/27, 2nd number: 4 0/7
72/27 + 28/7 is 20/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 7 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 27 × 7 = 189,
72/27 = 72 × 7/27 × 7 = 504/189 - Likewise, for the 2nd fraction, since 7 × 27 = 189,
28/7 = 28 × 27/7 × 27 = 756/189 - Add the two like fractions:
504/189 + 756/189 = 504 + 756/189 = 1260/189 - 1260/189 simplified gives 20/3
- So, 72/27 + 28/7 = 20/3
In mixed form: 62/3
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