Subtract 5/50 from 81/20
1st number: 4 1/20, 2nd number: 5/50
81/20 - 5/50 is 79/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 50 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 20 × 5 = 100,
81/20 = 81 × 5/20 × 5 = 405/100 - Likewise, for the 2nd fraction, since 50 × 2 = 100,
5/50 = 5 × 2/50 × 2 = 10/100 - Subtract the two like fractions:
405/100 - 10/100 = 405 - 10/100 = 395/100 - After reducing the fraction, the answer is 79/20
- In mixed form: 319/20
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