Subtract 45/20 from 40/8
1st number: 5 0/8, 2nd number: 2 5/20
40/8 - 45/20 is 11/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 20 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
40/8 = 40 × 5/8 × 5 = 200/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
45/20 = 45 × 2/20 × 2 = 90/40 - Subtract the two like fractions:
200/40 - 90/40 = 200 - 90/40 = 110/40 - After reducing the fraction, the answer is 11/4
- In mixed form: 23/4
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