Answers

Subtract 45/80 from 8/15

8/15 - 45/80 is -7/240.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 80 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 15 × 16 = 240,
   8/15 = 8 × 16/15 × 16 = 128/240
3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
   45/80 = 45 × 3/80 × 3 = 135/240
4. Subtract the two like fractions:
   128/240 - 135/240 = 128 - 135/240 = -7/240

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