Add 18/90 and 40/25
1st number: 18/90, 2nd number: 1 15/25
18/90 + 40/25 is 9/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 25 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 25 × 18 = 450,
40/25 = 40 × 18/25 × 18 = 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 + 40/25 = 9/5
In mixed form: 14/5
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