Subtract 75/90 from 18/3
1st number: 6 0/3, 2nd number: 75/90
18/3 - 75/90 is 31/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 3 × 30 = 90,
18/3 = 18 × 30/3 × 30 = 540/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
75/90 = 75 × 1/90 × 1 = 75/90 - Subtract the two like fractions:
540/90 - 75/90 = 540 - 75/90 = 465/90 - After reducing the fraction, the answer is 31/6
- In mixed form: 51/6
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