Subtract 40/90 from 27/9
1st number: 3 0/9, 2nd number: 40/90
27/9 - 40/90 is 23/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
27/9 = 27 × 10/9 × 10 = 270/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
40/90 = 40 × 1/90 × 1 = 40/90 - Subtract the two like fractions:
270/90 - 40/90 = 270 - 40/90 = 230/90 - After reducing the fraction, the answer is 23/9
- In mixed form: 25/9
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