Answers

Subtract 8/54 from 9/7

1^st number: 1 2/7, 2^nd number: 8/54

9/7 - 8/54 is 215/189.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 54 is 378
   
   Next, find the equivalent fraction of both fractional numbers with denominator 378
2. For the 1st fraction, since 7 × 54 = 378,
   9/7 = 9 × 54/7 × 54 = 486/378
3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
   8/54 = 8 × 7/54 × 7 = 56/378
4. Subtract the two like fractions:
   486/378 - 56/378 = 486 - 56/378 = 430/378
5. After reducing the fraction, the answer is 215/189
6. In mixed form: 126/189

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