Subtract 9/42 from 54/9
1st number: 6 0/9, 2nd number: 9/42
54/9 - 9/42 is 81/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 42 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 9 × 14 = 126,
54/9 = 54 × 14/9 × 14 = 756/126 - Likewise, for the 2nd fraction, since 42 × 3 = 126,
9/42 = 9 × 3/42 × 3 = 27/126 - Subtract the two like fractions:
756/126 - 27/126 = 756 - 27/126 = 729/126 - After reducing the fraction, the answer is 81/14
- In mixed form: 511/14
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