Add 12/20 and 3/25
12/20 + 3/25 is 18/25.
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,
3/25 = 3 × 4/25 × 4 = 12/100 - Add the two like fractions:
60/100 + 12/100 = 60 + 12/100 = 72/100 - 72/100 simplified gives 18/25
- So, 12/20 + 3/25 = 18/25
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