Add 20/90 and 64/9
1st number: 20/90, 2nd number: 7 1/9
20/90 + 64/9 is 22/3.
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,
64/9 = 64 × 10/9 × 10 = 640/90 - Add the two like fractions:
20/90 + 640/90 = 20 + 640/90 = 660/90 - 660/90 simplified gives 22/3
- So, 20/90 + 64/9 = 22/3
In mixed form: 71/3
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