Subtract 40/5 from 45/4
1st number: 11 1/4, 2nd number: 8 0/5
45/4 - 40/5 is 13/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
45/4 = 45 × 5/4 × 5 = 225/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
40/5 = 40 × 4/5 × 4 = 160/20 - Subtract the two like fractions:
225/20 - 160/20 = 225 - 160/20 = 65/20 - After reducing the fraction, the answer is 13/4
- In mixed form: 31/4
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