Subtract 20/40 from 45/4
1st number: 11 1/4, 2nd number: 20/40
45/4 - 20/40 is 43/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 4 × 10 = 40,
45/4 = 45 × 10/4 × 10 = 450/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
20/40 = 20 × 1/40 × 1 = 20/40 - Subtract the two like fractions:
450/40 - 20/40 = 450 - 20/40 = 430/40 - After reducing the fraction, the answer is 43/4
- In mixed form: 103/4
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