Add 10/81 and 90/12
1st number: 10/81, 2nd number: 7 6/12
10/81 + 90/12 is 1235/162.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 12 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 81 × 4 = 324,
10/81 = 10 × 4/81 × 4 = 40/324 - Likewise, for the 2nd fraction, since 12 × 27 = 324,
90/12 = 90 × 27/12 × 27 = 2430/324 - Add the two like fractions:
40/324 + 2430/324 = 40 + 2430/324 = 2470/324 - 2470/324 simplified gives 1235/162
- So, 10/81 + 90/12 = 1235/162
In mixed form: 7101/162
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