Subtract 20/10 from 90/50
1st number: 1 40/50, 2nd number: 2 0/10
90/50 - 20/10 is -1/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 10 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 50 × 1 = 50,
90/50 = 90 × 1/50 × 1 = 90/50 - Likewise, for the 2nd fraction, since 10 × 5 = 50,
20/10 = 20 × 5/10 × 5 = 100/50 - Subtract the two like fractions:
90/50 - 100/50 = 90 - 100/50 = -10/50 - After reducing the fraction, the answer is -1/5
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