Add 12/20 and 27/25
1st number: 12/20, 2nd number: 1 2/25
12/20 + 27/25 is 42/25.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 25 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 20 × 5 = 100,
12/20 = 12 × 5/20 × 5 = 60/100 - Likewise, for the 2nd fraction, since 25 × 4 = 100,
27/25 = 27 × 4/25 × 4 = 108/100 - Add the two like fractions:
60/100 + 108/100 = 60 + 108/100 = 168/100 - 168/100 simplified gives 42/25
- So, 12/20 + 27/25 = 42/25
In mixed form: 117/25
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