Subtract 20/50 from 9/30
9/30 - 20/50 is -1/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 50 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 30 × 5 = 150,
9/30 = 9 × 5/30 × 5 = 45/150 - Likewise, for the 2nd fraction, since 50 × 3 = 150,
20/50 = 20 × 3/50 × 3 = 60/150 - Subtract the two like fractions:
45/150 - 60/150 = 45 - 60/150 = -15/150 - After reducing the fraction, the answer is -1/10
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