Add 15/9 and 81/30
1st number: 1 6/9, 2nd number: 2 21/30
15/9 + 81/30 is 131/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
15/9 = 15 × 10/9 × 10 = 150/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
81/30 = 81 × 3/30 × 3 = 243/90 - Add the two like fractions:
150/90 + 243/90 = 150 + 243/90 = 393/90 - 393/90 simplified gives 131/30
- So, 15/9 + 81/30 = 131/30
In mixed form: 411/30
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