Subtract 20/5 from 18/32
1st number: 18/32, 2nd number: 4 0/5
18/32 - 20/5 is -55/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 5 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 32 × 5 = 160,
18/32 = 18 × 5/32 × 5 = 90/160 - Likewise, for the 2nd fraction, since 5 × 32 = 160,
20/5 = 20 × 32/5 × 32 = 640/160 - Subtract the two like fractions:
90/160 - 640/160 = 90 - 640/160 = -550/160 - After reducing the fraction, the answer is -55/16
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