Add 20/45 and 64/9
1st number: 20/45, 2nd number: 7 1/9
20/45 + 64/9 is 68/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 45 × 1 = 45,
20/45 = 20 × 1/45 × 1 = 20/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
64/9 = 64 × 5/9 × 5 = 320/45 - Add the two like fractions:
20/45 + 320/45 = 20 + 320/45 = 340/45 - 340/45 simplified gives 68/9
- So, 20/45 + 64/9 = 68/9
In mixed form: 75/9
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