Subtract 9/20 from 40/50
40/50 - 9/20 is 7/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 20 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 50 × 2 = 100,
40/50 = 40 × 2/50 × 2 = 80/100 - Likewise, for the 2nd fraction, since 20 × 5 = 100,
9/20 = 9 × 5/20 × 5 = 45/100 - Subtract the two like fractions:
80/100 - 45/100 = 80 - 45/100 = 35/100 - After reducing the fraction, the answer is 7/20
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