Answers

Subtract 54/80 from 56/45

1^st number: 1 11/45, 2^nd number: 54/80

56/45 - 54/80 is 41/72.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 80 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 45 × 16 = 720,
   56/45 = 56 × 16/45 × 16 = 896/720
3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
   54/80 = 54 × 9/80 × 9 = 486/720
4. Subtract the two like fractions:
   896/720 - 486/720 = 896 - 486/720 = 410/720
5. After reducing the fraction, the answer is 41/72

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