Add 27/4 and 18/20
1st number: 6 3/4, 2nd number: 18/20
27/4 + 18/20 is 153/20.
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,
27/4 = 27 × 5/4 × 5 = 135/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
18/20 = 18 × 1/20 × 1 = 18/20 - Add the two like fractions:
135/20 + 18/20 = 135 + 18/20 = 153/20 - So, 27/4 + 18/20 = 153/20
In mixed form: 713/20
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