Answers

Subtract 63/9 from 9/40

1^st number: 9/40, 2^nd number: 7 0/9

9/40 - 63/9 is -271/40.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 9 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 40 × 9 = 360,
   9/40 = 9 × 9/40 × 9 = 81/360
3. Likewise, for the 2nd fraction, since 9 × 40 = 360,
   63/9 = 63 × 40/9 × 40 = 2520/360
4. Subtract the two like fractions:
   81/360 - 2520/360 = 81 - 2520/360 = -2439/360
5. After reducing the fraction, the answer is -271/40

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