Answers

Subtract 63/48 from 28/20

1^st number: 1 8/20, 2^nd number: 1 15/48

28/20 - 63/48 is 7/80.

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,
   28/20 = 28 × 12/20 × 12 = 336/240
3. Likewise, for the 2nd fraction, since 48 × 5 = 240,
   63/48 = 63 × 5/48 × 5 = 315/240
4. Subtract the two like fractions:
   336/240 - 315/240 = 336 - 315/240 = 21/240
5. After reducing the fraction, the answer is 7/80

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