Add 28/18 and 81/10
1st number: 1 10/18, 2nd number: 8 1/10
28/18 + 81/10 is 869/90.
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,
28/18 = 28 × 5/18 × 5 = 140/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
81/10 = 81 × 9/10 × 9 = 729/90 - Add the two like fractions:
140/90 + 729/90 = 140 + 729/90 = 869/90 - So, 28/18 + 81/10 = 869/90
In mixed form: 959/90
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