Answers

Subtract 84/60 from 28/80

1^st number: 28/80, 2^nd number: 1 24/60

28/80 - 84/60 is -21/20.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 60 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 80 × 3 = 240,
   28/80 = 28 × 3/80 × 3 = 84/240
3. Likewise, for the 2nd fraction, since 60 × 4 = 240,
   84/60 = 84 × 4/60 × 4 = 336/240
4. Subtract the two like fractions:
   84/240 - 336/240 = 84 - 336/240 = -252/240
5. After reducing the fraction, the answer is -21/20

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