Subtract 81/20 from 7/50
1st number: 7/50, 2nd number: 4 1/20
7/50 - 81/20 is -391/100.
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,
7/50 = 7 × 2/50 × 2 = 14/100 - Likewise, for the 2nd fraction, since 20 × 5 = 100,
81/20 = 81 × 5/20 × 5 = 405/100 - Subtract the two like fractions:
14/100 - 405/100 = 14 - 405/100 = -391/100
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