Add 15/20 and 6/4
1st number: 15/20, 2nd number: 1 2/4
15/20 + 6/4 is 9/4.
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,
6/4 = 6 × 5/4 × 5 = 30/20 - Add the two like fractions:
15/20 + 30/20 = 15 + 30/20 = 45/20 - 45/20 simplified gives 9/4
- So, 15/20 + 6/4 = 9/4
In mixed form: 21/4
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