Answers

Subtract 21/40 from 84/27

1^st number: 3 3/27, 2^nd number: 21/40

84/27 - 21/40 is 931/360.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 40 is 1080
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1080
2. For the 1st fraction, since 27 × 40 = 1080,
   84/27 = 84 × 40/27 × 40 = 3360/1080
3. Likewise, for the 2nd fraction, since 40 × 27 = 1080,
   21/40 = 21 × 27/40 × 27 = 567/1080
4. Subtract the two like fractions:
   3360/1080 - 567/1080 = 3360 - 567/1080 = 2793/1080
5. After reducing the fraction, the answer is 931/360
6. In mixed form: 2211/360

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