Answers

Subtract 49/48 from 9/20

1^st number: 9/20, 2^nd number: 1 1/48

9/20 - 49/48 is -137/240.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 48 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 20 × 12 = 240,
   9/20 = 9 × 12/20 × 12 = 108/240
3. Likewise, for the 2nd fraction, since 48 × 5 = 240,
   49/48 = 49 × 5/48 × 5 = 245/240
4. Subtract the two like fractions:
   108/240 - 245/240 = 108 - 245/240 = -137/240

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