Add 15/3 and 81/90
1st number: 5 0/3, 2nd number: 81/90
15/3 + 81/90 is 59/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 3 × 30 = 90,
15/3 = 15 × 30/3 × 30 = 450/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
81/90 = 81 × 1/90 × 1 = 81/90 - Add the two like fractions:
450/90 + 81/90 = 450 + 81/90 = 531/90 - 531/90 simplified gives 59/10
- So, 15/3 + 81/90 = 59/10
In mixed form: 59/10
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