Answers

Subtract 72/80 from 20/6

1^st number: 3 2/6, 2^nd number: 72/80

20/6 - 72/80 is 73/30.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 6 and 80 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 6 × 40 = 240,
   20/6 = 20 × 40/6 × 40 = 800/240
3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
   72/80 = 72 × 3/80 × 3 = 216/240
4. Subtract the two like fractions:
   800/240 - 216/240 = 800 - 216/240 = 584/240
5. After reducing the fraction, the answer is 73/30
6. In mixed form: 213/30

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