Subtract 18/32 from 30/80
30/80 - 18/32 is -3/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 32 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 80 × 2 = 160,
30/80 = 30 × 2/80 × 2 = 60/160 - Likewise, for the 2nd fraction, since 32 × 5 = 160,
18/32 = 18 × 5/32 × 5 = 90/160 - Subtract the two like fractions:
60/160 - 90/160 = 60 - 90/160 = -30/160 - After reducing the fraction, the answer is -3/16
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