Add 12/20 and 45/15
1st number: 12/20, 2nd number: 3 0/15
12/20 + 45/15 is 18/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
12/20 = 12 × 3/20 × 3 = 36/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
45/15 = 45 × 4/15 × 4 = 180/60 - Add the two like fractions:
36/60 + 180/60 = 36 + 180/60 = 216/60 - 216/60 simplified gives 18/5
- So, 12/20 + 45/15 = 18/5
In mixed form: 33/5
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