Subtract 12/90 from 20/6
1st number: 3 2/6, 2nd number: 12/90
20/6 - 12/90 is 16/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 6 × 15 = 90,
20/6 = 20 × 15/6 × 15 = 300/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
12/90 = 12 × 1/90 × 1 = 12/90 - Subtract the two like fractions:
300/90 - 12/90 = 300 - 12/90 = 288/90 - After reducing the fraction, the answer is 16/5
- In mixed form: 31/5
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