Answers

Subtract 70/63 from 9/54

1^st number: 9/54, 2^nd number: 1 7/63

9/54 - 70/63 is -17/18.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 63 is 378
   
   Next, find the equivalent fraction of both fractional numbers with denominator 378
2. For the 1st fraction, since 54 × 7 = 378,
   9/54 = 9 × 7/54 × 7 = 63/378
3. Likewise, for the 2nd fraction, since 63 × 6 = 378,
   70/63 = 70 × 6/63 × 6 = 420/378
4. Subtract the two like fractions:
   63/378 - 420/378 = 63 - 420/378 = -357/378
5. After reducing the fraction, the answer is -17/18

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