Add 54/63 and 90/27
1st number: 54/63, 2nd number: 3 9/27
54/63 + 90/27 is 88/21.
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,
54/63 = 54 × 3/63 × 3 = 162/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
90/27 = 90 × 7/27 × 7 = 630/189 - Add the two like fractions:
162/189 + 630/189 = 162 + 630/189 = 792/189 - 792/189 simplified gives 88/21
- So, 54/63 + 90/27 = 88/21
In mixed form: 44/21
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