Add 15/20 and 42/75
15/20 + 42/75 is 131/100.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 75 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 20 × 15 = 300,
15/20 = 15 × 15/20 × 15 = 225/300 - Likewise, for the 2nd fraction, since 75 × 4 = 300,
42/75 = 42 × 4/75 × 4 = 168/300 - Add the two like fractions:
225/300 + 168/300 = 225 + 168/300 = 393/300 - 393/300 simplified gives 131/100
- So, 15/20 + 42/75 = 131/100
In mixed form: 131/100
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