Add 90/18 and 15/9
1st number: 5 0/18, 2nd number: 1 6/9
90/18 + 15/9 is 20/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 18 × 1 = 18,
90/18 = 90 × 1/18 × 1 = 90/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
15/9 = 15 × 2/9 × 2 = 30/18 - Add the two like fractions:
90/18 + 30/18 = 90 + 30/18 = 120/18 - 120/18 simplified gives 20/3
- So, 90/18 + 15/9 = 20/3
In mixed form: 62/3
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