Answers

Subtract 7/80 from 9/8

1^st number: 1 1/8, 2^nd number: 7/80

9/8 - 7/80 is 83/80.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 80 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 8 × 10 = 80,
   9/8 = 9 × 10/8 × 10 = 90/80
3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
   7/80 = 7 × 1/80 × 1 = 7/80
4. Subtract the two like fractions:
   90/80 - 7/80 = 90 - 7/80 = 83/80
5. In mixed form: 13/80

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