Answers

Subtract 25/18 from 49/80

1^st number: 49/80, 2^nd number: 1 7/18

49/80 - 25/18 is -559/720.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 18 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 80 × 9 = 720,
   49/80 = 49 × 9/80 × 9 = 441/720
3. Likewise, for the 2nd fraction, since 18 × 40 = 720,
   25/18 = 25 × 40/18 × 40 = 1000/720
4. Subtract the two like fractions:
   441/720 - 1000/720 = 441 - 1000/720 = -559/720

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