Subtract 20/5 from 40/50
1st number: 40/50, 2nd number: 4 0/5
40/50 - 20/5 is -16/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 5 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 50 × 1 = 50,
40/50 = 40 × 1/50 × 1 = 40/50 - Likewise, for the 2nd fraction, since 5 × 10 = 50,
20/5 = 20 × 10/5 × 10 = 200/50 - Subtract the two like fractions:
40/50 - 200/50 = 40 - 200/50 = -160/50 - After reducing the fraction, the answer is -16/5
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