Answers

Subtract 12/80 from 64/54

1^st number: 1 10/54, 2^nd number: 12/80

64/54 - 12/80 is 559/540.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 80 is 2160
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2160
2. For the 1st fraction, since 54 × 40 = 2160,
   64/54 = 64 × 40/54 × 40 = 2560/2160
3. Likewise, for the 2nd fraction, since 80 × 27 = 2160,
   12/80 = 12 × 27/80 × 27 = 324/2160
4. Subtract the two like fractions:
   2560/2160 - 324/2160 = 2560 - 324/2160 = 2236/2160
5. After reducing the fraction, the answer is 559/540
6. In mixed form: 119/540

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