Subtract 27/20 from 20/50
1st number: 20/50, 2nd number: 1 7/20
20/50 - 27/20 is -19/20.
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,
20/50 = 20 × 2/50 × 2 = 40/100 - Likewise, for the 2nd fraction, since 20 × 5 = 100,
27/20 = 27 × 5/20 × 5 = 135/100 - Subtract the two like fractions:
40/100 - 135/100 = 40 - 135/100 = -95/100 - After reducing the fraction, the answer is -19/20
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