Add 18/6 and 9/20
1st number: 3 0/6, 2nd number: 9/20
18/6 + 9/20 is 69/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 6 × 10 = 60,
18/6 = 18 × 10/6 × 10 = 180/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
9/20 = 9 × 3/20 × 3 = 27/60 - Add the two like fractions:
180/60 + 27/60 = 180 + 27/60 = 207/60 - 207/60 simplified gives 69/20
- So, 18/6 + 9/20 = 69/20
In mixed form: 39/20
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