Add 15/10 and 80/90
1st number: 1 5/10, 2nd number: 80/90
15/10 + 80/90 is 43/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
15/10 = 15 × 9/10 × 9 = 135/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
80/90 = 80 × 1/90 × 1 = 80/90 - Add the two like fractions:
135/90 + 80/90 = 135 + 80/90 = 215/90 - 215/90 simplified gives 43/18
- So, 15/10 + 80/90 = 43/18
In mixed form: 27/18
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