Subtract 20/15 from 18/50
1st number: 18/50, 2nd number: 1 5/15
18/50 - 20/15 is -73/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 15 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 50 × 3 = 150,
18/50 = 18 × 3/50 × 3 = 54/150 - Likewise, for the 2nd fraction, since 15 × 10 = 150,
20/15 = 20 × 10/15 × 10 = 200/150 - Subtract the two like fractions:
54/150 - 200/150 = 54 - 200/150 = -146/150 - After reducing the fraction, the answer is -73/75
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