Subtract 81/4 from 35/50
1st number: 35/50, 2nd number: 20 1/4
35/50 - 81/4 is -391/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 4 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 50 × 2 = 100,
35/50 = 35 × 2/50 × 2 = 70/100 - Likewise, for the 2nd fraction, since 4 × 25 = 100,
81/4 = 81 × 25/4 × 25 = 2025/100 - Subtract the two like fractions:
70/100 - 2025/100 = 70 - 2025/100 = -1955/100 - After reducing the fraction, the answer is -391/20
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