Add 15/25 and 45/20
1st number: 15/25, 2nd number: 2 5/20
15/25 + 45/20 is 57/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 20 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 25 × 4 = 100,
15/25 = 15 × 4/25 × 4 = 60/100 - Likewise, for the 2nd fraction, since 20 × 5 = 100,
45/20 = 45 × 5/20 × 5 = 225/100 - Add the two like fractions:
60/100 + 225/100 = 60 + 225/100 = 285/100 - 285/100 simplified gives 57/20
- So, 15/25 + 45/20 = 57/20
In mixed form: 217/20
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