Add 18/4 and 27/20
1st number: 4 2/4, 2nd number: 1 7/20
18/4 + 27/20 is 117/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
18/4 = 18 × 5/4 × 5 = 90/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
27/20 = 27 × 1/20 × 1 = 27/20 - Add the two like fractions:
90/20 + 27/20 = 90 + 27/20 = 117/20 - So, 18/4 + 27/20 = 117/20
In mixed form: 517/20
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