Add 81/75 and 6/90
1st number: 1 6/75, 2nd number: 6/90
81/75 + 6/90 is 86/75.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 90 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 75 × 6 = 450,
81/75 = 81 × 6/75 × 6 = 486/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
6/90 = 6 × 5/90 × 5 = 30/450 - Add the two like fractions:
486/450 + 30/450 = 486 + 30/450 = 516/450 - 516/450 simplified gives 86/75
- So, 81/75 + 6/90 = 86/75
In mixed form: 111/75
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