Add 45/75 and 15/20
45/75 + 15/20 is 27/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 20 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 75 × 4 = 300,
45/75 = 45 × 4/75 × 4 = 180/300 - Likewise, for the 2nd fraction, since 20 × 15 = 300,
15/20 = 15 × 15/20 × 15 = 225/300 - Add the two like fractions:
180/300 + 225/300 = 180 + 225/300 = 405/300 - 405/300 simplified gives 27/20
- So, 45/75 + 15/20 = 27/20
In mixed form: 17/20
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