Add 90/36 and 40/81
1st number: 2 18/36, 2nd number: 40/81
90/36 + 40/81 is 485/162.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 81 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 36 × 9 = 324,
90/36 = 90 × 9/36 × 9 = 810/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
40/81 = 40 × 4/81 × 4 = 160/324 - Add the two like fractions:
810/324 + 160/324 = 810 + 160/324 = 970/324 - 970/324 simplified gives 485/162
- So, 90/36 + 40/81 = 485/162
In mixed form: 2161/162
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