Add 7/9 and 20/45
7/9 + 20/45 is 11/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
7/9 = 7 × 5/9 × 5 = 35/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
20/45 = 20 × 1/45 × 1 = 20/45 - Add the two like fractions:
35/45 + 20/45 = 35 + 20/45 = 55/45 - 55/45 simplified gives 11/9
- So, 7/9 + 20/45 = 11/9
In mixed form: 12/9
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