Add 8/7 and 90/27
1st number: 1 1/7, 2nd number: 3 9/27
8/7 + 90/27 is 94/21.
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,
8/7 = 8 × 27/7 × 27 = 216/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
90/27 = 90 × 7/27 × 7 = 630/189 - Add the two like fractions:
216/189 + 630/189 = 216 + 630/189 = 846/189 - 846/189 simplified gives 94/21
- So, 8/7 + 90/27 = 94/21
In mixed form: 410/21
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