Add 72/63 and 20/27
1st number: 1 9/63, 2nd number: 20/27
72/63 + 20/27 is 356/189.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 27 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 63 × 3 = 189,
72/63 = 72 × 3/63 × 3 = 216/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
20/27 = 20 × 7/27 × 7 = 140/189 - Add the two like fractions:
216/189 + 140/189 = 216 + 140/189 = 356/189 - So, 72/63 + 20/27 = 356/189
In mixed form: 1167/189
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