Add 12/7 and 90/27
1st number: 1 5/7, 2nd number: 3 9/27
12/7 + 90/27 is 106/21.
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,
12/7 = 12 × 27/7 × 27 = 324/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
90/27 = 90 × 7/27 × 7 = 630/189 - Add the two like fractions:
324/189 + 630/189 = 324 + 630/189 = 954/189 - 954/189 simplified gives 106/21
- So, 12/7 + 90/27 = 106/21
In mixed form: 51/21
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