Subtract 45/16 from 20/40
1st number: 20/40, 2nd number: 2 13/16
20/40 - 45/16 is -37/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 40 × 2 = 80,
20/40 = 20 × 2/40 × 2 = 40/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
45/16 = 45 × 5/16 × 5 = 225/80 - Subtract the two like fractions:
40/80 - 225/80 = 40 - 225/80 = -185/80 - After reducing the fraction, the answer is -37/16
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