Answers

Subtract 63/40 from 20/24

1^st number: 20/24, 2^nd number: 1 23/40

20/24 - 63/40 is -89/120.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 24 and 40 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 24 × 5 = 120,
   20/24 = 20 × 5/24 × 5 = 100/120
3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
   63/40 = 63 × 3/40 × 3 = 189/120
4. Subtract the two like fractions:
   100/120 - 189/120 = 100 - 189/120 = -89/120

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