Subtract 20/9 from 45/2
1st number: 22 1/2, 2nd number: 2 2/9
45/2 - 20/9 is 365/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 2 × 9 = 18,
45/2 = 45 × 9/2 × 9 = 405/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
20/9 = 20 × 2/9 × 2 = 40/18 - Subtract the two like fractions:
405/18 - 40/18 = 405 - 40/18 = 365/18 - In mixed form: 205/18
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