Answers

Subtract 63/40 from 20/48

1^st number: 20/48, 2^nd number: 1 23/40

20/48 - 63/40 is -139/120.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 48 and 40 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 40 × 6 = 240,
   63/40 = 63 × 6/40 × 6 = 378/240
4. Subtract the two like fractions:
   100/240 - 378/240 = 100 - 378/240 = -278/240
5. After reducing the fraction, the answer is -139/120

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