Subtract 81/4 from 70/50
1st number: 1 20/50, 2nd number: 20 1/4
70/50 - 81/4 is -377/20.
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,
70/50 = 70 × 2/50 × 2 = 140/100 - Likewise, for the 2nd fraction, since 4 × 25 = 100,
81/4 = 81 × 25/4 × 25 = 2025/100 - Subtract the two like fractions:
140/100 - 2025/100 = 140 - 2025/100 = -1885/100 - After reducing the fraction, the answer is -377/20
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