Answers

Subtract 40/7 from 40/63

1^st number: 40/63, 2^nd number: 5 5/7

40/63 - 40/7 is -320/63.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 7 is 63
   
   Next, find the equivalent fraction of both fractional numbers with denominator 63
2. For the 1st fraction, since 63 × 1 = 63,
   40/63 = 40 × 1/63 × 1 = 40/63
3. Likewise, for the 2nd fraction, since 7 × 9 = 63,
   40/7 = 40 × 9/7 × 9 = 360/63
4. Subtract the two like fractions:
   40/63 - 360/63 = 40 - 360/63 = -320/63

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