Add 8/5 and 9/18
1st number: 1 3/5, 2nd number: 9/18
8/5 + 9/18 is 21/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
8/5 = 8 × 18/5 × 18 = 144/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
9/18 = 9 × 5/18 × 5 = 45/90 - Add the two like fractions:
144/90 + 45/90 = 144 + 45/90 = 189/90 - 189/90 simplified gives 21/10
- So, 8/5 + 9/18 = 21/10
In mixed form: 21/10
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