Add 15/20 and 27/4
1st number: 15/20, 2nd number: 6 3/4
15/20 + 27/4 is 15/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 4 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
15/20 = 15 × 1/20 × 1 = 15/20 - Likewise, for the 2nd fraction, since 4 × 5 = 20,
27/4 = 27 × 5/4 × 5 = 135/20 - Add the two like fractions:
15/20 + 135/20 = 15 + 135/20 = 150/20 - 150/20 simplified gives 15/2
- So, 15/20 + 27/4 = 15/2
In mixed form: 71/2
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