Answers

Subtract 64/80 from 20/18

1^st number: 1 2/18, 2^nd number: 64/80

20/18 - 64/80 is 14/45.

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,
   20/18 = 20 × 40/18 × 40 = 800/720
3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
   64/80 = 64 × 9/80 × 9 = 576/720
4. Subtract the two like fractions:
   800/720 - 576/720 = 800 - 576/720 = 224/720
5. After reducing the fraction, the answer is 14/45

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