Subtract 40/90 from 15/9
1st number: 1 6/9, 2nd number: 40/90
15/9 - 40/90 is 11/9.
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,
15/9 = 15 × 10/9 × 10 = 150/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
40/90 = 40 × 1/90 × 1 = 40/90 - Subtract the two like fractions:
150/90 - 40/90 = 150 - 40/90 = 110/90 - After reducing the fraction, the answer is 11/9
- In mixed form: 12/9
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