Answers

Subtract 40/80 from 28/60

28/60 - 40/80 is -1/30.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 80 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 60 × 4 = 240,
   28/60 = 28 × 4/60 × 4 = 112/240
3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
   40/80 = 40 × 3/80 × 3 = 120/240
4. Subtract the two like fractions:
   112/240 - 120/240 = 112 - 120/240 = -8/240
5. After reducing the fraction, the answer is -1/30

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