Add 20/45 and 12/9
1st number: 20/45, 2nd number: 1 3/9
20/45 + 12/9 is 16/9.
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,
12/9 = 12 × 5/9 × 5 = 60/45 - Add the two like fractions:
20/45 + 60/45 = 20 + 60/45 = 80/45 - 80/45 simplified gives 16/9
- So, 20/45 + 12/9 = 16/9
In mixed form: 17/9
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