Add 90/7 and 63/27
1st number: 12 6/7, 2nd number: 2 9/27
90/7 + 63/27 is 319/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 27 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 7 × 27 = 189,
90/7 = 90 × 27/7 × 27 = 2430/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
63/27 = 63 × 7/27 × 7 = 441/189 - Add the two like fractions:
2430/189 + 441/189 = 2430 + 441/189 = 2871/189 - 2871/189 simplified gives 319/21
- So, 90/7 + 63/27 = 319/21
In mixed form: 154/21
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