Add 18/90 and 81/25
1st number: 18/90, 2nd number: 3 6/25
18/90 + 81/25 is 86/25.
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,
81/25 = 81 × 18/25 × 18 = 1458/450 - Add the two like fractions:
90/450 + 1458/450 = 90 + 1458/450 = 1548/450 - 1548/450 simplified gives 86/25
- So, 18/90 + 81/25 = 86/25
In mixed form: 311/25
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