Add 10/12 and 90/81
1st number: 10/12, 2nd number: 1 9/81
10/12 + 90/81 is 35/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 81 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 12 × 27 = 324,
10/12 = 10 × 27/12 × 27 = 270/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
90/81 = 90 × 4/81 × 4 = 360/324 - Add the two like fractions:
270/324 + 360/324 = 270 + 360/324 = 630/324 - 630/324 simplified gives 35/18
- So, 10/12 + 90/81 = 35/18
In mixed form: 117/18
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