Add 81/90 and 5/75
81/90 + 5/75 is 29/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 75 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 90 × 5 = 450,
81/90 = 81 × 5/90 × 5 = 405/450 - Likewise, for the 2nd fraction, since 75 × 6 = 450,
5/75 = 5 × 6/75 × 6 = 30/450 - Add the two like fractions:
405/450 + 30/450 = 405 + 30/450 = 435/450 - 435/450 simplified gives 29/30
- So, 81/90 + 5/75 = 29/30
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