Add 81/90 and 10/15
81/90 + 10/15 is 47/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 15 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
81/90 = 81 × 1/90 × 1 = 81/90 - Likewise, for the 2nd fraction, since 15 × 6 = 90,
10/15 = 10 × 6/15 × 6 = 60/90 - Add the two like fractions:
81/90 + 60/90 = 81 + 60/90 = 141/90 - 141/90 simplified gives 47/30
- So, 81/90 + 10/15 = 47/30
In mixed form: 117/30
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