Answers

Subtract 21/80 from 98/8

1^st number: 12 2/8, 2^nd number: 21/80

98/8 - 21/80 is 959/80.

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,
   98/8 = 98 × 10/8 × 10 = 980/80
3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
   21/80 = 21 × 1/80 × 1 = 21/80
4. Subtract the two like fractions:
   980/80 - 21/80 = 980 - 21/80 = 959/80
5. In mixed form: 1179/80

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