Add 80/18 and 81/10
1st number: 4 8/18, 2nd number: 8 1/10
80/18 + 81/10 is 1129/90.
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,
80/18 = 80 × 5/18 × 5 = 400/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
81/10 = 81 × 9/10 × 9 = 729/90 - Add the two like fractions:
400/90 + 729/90 = 400 + 729/90 = 1129/90 - So, 80/18 + 81/10 = 1129/90
In mixed form: 1249/90
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