Subtract 56/20 from 45/50
1st number: 45/50, 2nd number: 2 16/20
45/50 - 56/20 is -19/10.
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,
45/50 = 45 × 2/50 × 2 = 90/100 - Likewise, for the 2nd fraction, since 20 × 5 = 100,
56/20 = 56 × 5/20 × 5 = 280/100 - Subtract the two like fractions:
90/100 - 280/100 = 90 - 280/100 = -190/100 - After reducing the fraction, the answer is -19/10
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