Answers

Subtract 21/80 from 84/27

1^st number: 3 3/27, 2^nd number: 21/80

84/27 - 21/80 is 2051/720.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 80 is 2160
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2160
2. For the 1st fraction, since 27 × 80 = 2160,
   84/27 = 84 × 80/27 × 80 = 6720/2160
3. Likewise, for the 2nd fraction, since 80 × 27 = 2160,
   21/80 = 21 × 27/80 × 27 = 567/2160
4. Subtract the two like fractions:
   6720/2160 - 567/2160 = 6720 - 567/2160 = 6153/2160
5. After reducing the fraction, the answer is 2051/720
6. In mixed form: 2611/720

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