Answers

Subtract 84/63 from 40/36

1^st number: 1 4/36, 2^nd number: 1 21/63

40/36 - 84/63 is -2/9.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 36 and 63 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 36 × 7 = 252,
   40/36 = 40 × 7/36 × 7 = 280/252
3. Likewise, for the 2nd fraction, since 63 × 4 = 252,
   84/63 = 84 × 4/63 × 4 = 336/252
4. Subtract the two like fractions:
   280/252 - 336/252 = 280 - 336/252 = -56/252
5. After reducing the fraction, the answer is -2/9

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