Add 81/18 and 90/10
1st number: 4 9/18, 2nd number: 9 0/10
81/18 + 90/10 is 27/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
81/18 = 81 × 5/18 × 5 = 405/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
90/10 = 90 × 9/10 × 9 = 810/90 - Add the two like fractions:
405/90 + 810/90 = 405 + 810/90 = 1215/90 - 1215/90 simplified gives 27/2
- So, 81/18 + 90/10 = 27/2
In mixed form: 131/2
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