Answers

Subtract 63/80 from 20/48

20/48 - 63/80 is -89/240.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 48 and 80 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 48 × 5 = 240,
   20/48 = 20 × 5/48 × 5 = 100/240
3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
   63/80 = 63 × 3/80 × 3 = 189/240
4. Subtract the two like fractions:
   100/240 - 189/240 = 100 - 189/240 = -89/240

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