Subtract 42/90 from 80/9
1st number: 8 8/9, 2nd number: 42/90
80/9 - 42/90 is 379/45.
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,
80/9 = 80 × 10/9 × 10 = 800/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
42/90 = 42 × 1/90 × 1 = 42/90 - Subtract the two like fractions:
800/90 - 42/90 = 800 - 42/90 = 758/90 - After reducing the fraction, the answer is 379/45
- In mixed form: 819/45
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