Answers

Subtract 10/63 from 90/54

1^st number: 1 36/54, 2^nd number: 10/63

90/54 - 10/63 is 95/63.

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,
   90/54 = 90 × 7/54 × 7 = 630/378
3. Likewise, for the 2nd fraction, since 63 × 6 = 378,
   10/63 = 10 × 6/63 × 6 = 60/378
4. Subtract the two like fractions:
   630/378 - 60/378 = 630 - 60/378 = 570/378
5. After reducing the fraction, the answer is 95/63
6. In mixed form: 132/63

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