Add 54/18 and 30/20
1st number: 3 0/18, 2nd number: 1 10/20
54/18 + 30/20 is 9/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 18 × 10 = 180,
54/18 = 54 × 10/18 × 10 = 540/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
30/20 = 30 × 9/20 × 9 = 270/180 - Add the two like fractions:
540/180 + 270/180 = 540 + 270/180 = 810/180 - 810/180 simplified gives 9/2
- So, 54/18 + 30/20 = 9/2
In mixed form: 41/2
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