Add 18/90 and 80/50
1st number: 18/90, 2nd number: 1 30/50
18/90 + 80/50 is 9/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 90 × 5 = 450,
18/90 = 18 × 5/90 × 5 = 90/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
80/50 = 80 × 9/50 × 9 = 720/450 - Add the two like fractions:
90/450 + 720/450 = 90 + 720/450 = 810/450 - 810/450 simplified gives 9/5
- So, 18/90 + 80/50 = 9/5
In mixed form: 14/5
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