Subtract 20/9 from 42/6
1st number: 7 0/6, 2nd number: 2 2/9
42/6 - 20/9 is 43/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 6 × 3 = 18,
42/6 = 42 × 3/6 × 3 = 126/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
20/9 = 20 × 2/9 × 2 = 40/18 - Subtract the two like fractions:
126/18 - 40/18 = 126 - 40/18 = 86/18 - After reducing the fraction, the answer is 43/9
- In mixed form: 47/9
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