Add 15/20 and 12/4
1st number: 15/20, 2nd number: 3 0/4
15/20 + 12/4 is 15/4.
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,
12/4 = 12 × 5/4 × 5 = 60/20 - Add the two like fractions:
15/20 + 60/20 = 15 + 60/20 = 75/20 - 75/20 simplified gives 15/4
- So, 15/20 + 12/4 = 15/4
In mixed form: 33/4
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