Answers

Subtract 63/80 from 12/5

1^st number: 2 2/5, 2^nd number: 63/80

12/5 - 63/80 is 129/80.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 80 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 5 × 16 = 80,
   12/5 = 12 × 16/5 × 16 = 192/80
3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
   63/80 = 63 × 1/80 × 1 = 63/80
4. Subtract the two like fractions:
   192/80 - 63/80 = 192 - 63/80 = 129/80
5. In mixed form: 149/80

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