Answers

Subtract 90/63 from 56/60

1^st number: 56/60, 2^nd number: 1 27/63

56/60 - 90/63 is -52/105.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 63 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 60 × 21 = 1260,
   56/60 = 56 × 21/60 × 21 = 1176/1260
3. Likewise, for the 2nd fraction, since 63 × 20 = 1260,
   90/63 = 90 × 20/63 × 20 = 1800/1260
4. Subtract the two like fractions:
   1176/1260 - 1800/1260 = 1176 - 1800/1260 = -624/1260
5. After reducing the fraction, the answer is -52/105

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