Answers

Subtract 1/80 from 80/18

1^st number: 4 8/18, 2^nd number: 1/80

80/18 - 1/80 is 3191/720.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 80 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 18 × 40 = 720,
   80/18 = 80 × 40/18 × 40 = 3200/720
3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
   1/80 = 1 × 9/80 × 9 = 9/720
4. Subtract the two like fractions:
   3200/720 - 9/720 = 3200 - 9/720 = 3191/720
5. In mixed form: 4311/720

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