Subtract 4/80 from 30/50
30/50 - 4/80 is 11/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 80 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 50 × 8 = 400,
30/50 = 30 × 8/50 × 8 = 240/400 - Likewise, for the 2nd fraction, since 80 × 5 = 400,
4/80 = 4 × 5/80 × 5 = 20/400 - Subtract the two like fractions:
240/400 - 20/400 = 240 - 20/400 = 220/400 - After reducing the fraction, the answer is 11/20
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