Add 21/9 and 20/90
1st number: 2 3/9, 2nd number: 20/90
21/9 + 20/90 is 23/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
21/9 = 21 × 10/9 × 10 = 210/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
20/90 = 20 × 1/90 × 1 = 20/90 - Add the two like fractions:
210/90 + 20/90 = 210 + 20/90 = 230/90 - 230/90 simplified gives 23/9
- So, 21/9 + 20/90 = 23/9
In mixed form: 25/9
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