Answers

Subtract 63/54 from 42/10

1^st number: 4 2/10, 2^nd number: 1 9/54

42/10 - 63/54 is 91/30.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 54 is 270
   
   Next, find the equivalent fraction of both fractional numbers with denominator 270
2. For the 1st fraction, since 10 × 27 = 270,
   42/10 = 42 × 27/10 × 27 = 1134/270
3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
   63/54 = 63 × 5/54 × 5 = 315/270
4. Subtract the two like fractions:
   1134/270 - 315/270 = 1134 - 315/270 = 819/270
5. After reducing the fraction, the answer is 91/30
6. In mixed form: 31/30

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