Add 18/90 and 20/10
1st number: 18/90, 2nd number: 2 0/10
18/90 + 20/10 is 11/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
18/90 = 18 × 1/90 × 1 = 18/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
20/10 = 20 × 9/10 × 9 = 180/90 - Add the two like fractions:
18/90 + 180/90 = 18 + 180/90 = 198/90 - 198/90 simplified gives 11/5
- So, 18/90 + 20/10 = 11/5
In mixed form: 21/5
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