Subtract 20/90 from 40/9
1st number: 4 4/9, 2nd number: 20/90
40/9 - 20/90 is 38/9.
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,
40/9 = 40 × 10/9 × 10 = 400/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
20/90 = 20 × 1/90 × 1 = 20/90 - Subtract the two like fractions:
400/90 - 20/90 = 400 - 20/90 = 380/90 - After reducing the fraction, the answer is 38/9
- In mixed form: 42/9
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