Answers

Subtract 30/16 from 63/40

1^st number: 1 23/40, 2^nd number: 1 14/16

63/40 - 30/16 is -3/10.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 16 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 40 × 2 = 80,
   63/40 = 63 × 2/40 × 2 = 126/80
3. Likewise, for the 2nd fraction, since 16 × 5 = 80,
   30/16 = 30 × 5/16 × 5 = 150/80
4. Subtract the two like fractions:
   126/80 - 150/80 = 126 - 150/80 = -24/80
5. After reducing the fraction, the answer is -3/10

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