Answers

Subtract 9/80 from 56/45

1^st number: 1 11/45, 2^nd number: 9/80

56/45 - 9/80 is 163/144.

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,
   9/80 = 9 × 9/80 × 9 = 81/720
4. Subtract the two like fractions:
   896/720 - 81/720 = 896 - 81/720 = 815/720
5. After reducing the fraction, the answer is 163/144
6. In mixed form: 119/144

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