Subtract 30/50 from 1/80
1/80 - 30/50 is -47/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 50 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 80 × 5 = 400,
1/80 = 1 × 5/80 × 5 = 5/400 - Likewise, for the 2nd fraction, since 50 × 8 = 400,
30/50 = 30 × 8/50 × 8 = 240/400 - Subtract the two like fractions:
5/400 - 240/400 = 5 - 240/400 = -235/400 - After reducing the fraction, the answer is -47/80
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