Add 90/27 and 3/63
1st number: 3 9/27, 2nd number: 3/63
90/27 + 3/63 is 71/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 63 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 27 × 7 = 189,
90/27 = 90 × 7/27 × 7 = 630/189 - Likewise, for the 2nd fraction, since 63 × 3 = 189,
3/63 = 3 × 3/63 × 3 = 9/189 - Add the two like fractions:
630/189 + 9/189 = 630 + 9/189 = 639/189 - 639/189 simplified gives 71/21
- So, 90/27 + 3/63 = 71/21
In mixed form: 38/21
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