Subtract 90/5 from 20/50
1st number: 20/50, 2nd number: 18 0/5
20/50 - 90/5 is -88/5.
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,
20/50 = 20 × 1/50 × 1 = 20/50 - Likewise, for the 2nd fraction, since 5 × 10 = 50,
90/5 = 90 × 10/5 × 10 = 900/50 - Subtract the two like fractions:
20/50 - 900/50 = 20 - 900/50 = -880/50 - After reducing the fraction, the answer is -88/5
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