Add 9/90 and 18/9
1st number: 9/90, 2nd number: 2 0/9
9/90 + 18/9 is 21/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
9/90 = 9 × 1/90 × 1 = 9/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
18/9 = 18 × 10/9 × 10 = 180/90 - Add the two like fractions:
9/90 + 180/90 = 9 + 180/90 = 189/90 - 189/90 simplified gives 21/10
- So, 9/90 + 18/9 = 21/10
In mixed form: 21/10
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