Answers

Subtract 28/80 from 56/18

1^st number: 3 2/18, 2^nd number: 28/80

56/18 - 28/80 is 497/180.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 80 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 18 × 40 = 720,
   56/18 = 56 × 40/18 × 40 = 2240/720
3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
   28/80 = 28 × 9/80 × 9 = 252/720
4. Subtract the two like fractions:
   2240/720 - 252/720 = 2240 - 252/720 = 1988/720
5. After reducing the fraction, the answer is 497/180
6. In mixed form: 2137/180

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