Subtract 20/18 from 90/2
1st number: 45 0/2, 2nd number: 1 2/18
90/2 - 20/18 is 395/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 2 × 9 = 18,
90/2 = 90 × 9/2 × 9 = 810/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
20/18 = 20 × 1/18 × 1 = 20/18 - Subtract the two like fractions:
810/18 - 20/18 = 810 - 20/18 = 790/18 - After reducing the fraction, the answer is 395/9
- In mixed form: 438/9
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