Add 20/90 and 15/9
1st number: 20/90, 2nd number: 1 6/9
20/90 + 15/9 is 17/9.
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,
20/90 = 20 × 1/90 × 1 = 20/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
15/9 = 15 × 10/9 × 10 = 150/90 - Add the two like fractions:
20/90 + 150/90 = 20 + 150/90 = 170/90 - 170/90 simplified gives 17/9
- So, 20/90 + 15/9 = 17/9
In mixed form: 18/9
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