Add 18/90 and 8/5
1st number: 18/90, 2nd number: 1 3/5
18/90 + 8/5 is 9/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 5 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
18/90 = 18 × 1/90 × 1 = 18/90 - Likewise, for the 2nd fraction, since 5 × 18 = 90,
8/5 = 8 × 18/5 × 18 = 144/90 - Add the two like fractions:
18/90 + 144/90 = 18 + 144/90 = 162/90 - 162/90 simplified gives 9/5
- So, 18/90 + 8/5 = 9/5
In mixed form: 14/5
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