Answers

Subtract 27/21 from 2/45

1^st number: 2/45, 2^nd number: 1 6/21

2/45 - 27/21 is -391/315.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 21 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 45 × 7 = 315,
   2/45 = 2 × 7/45 × 7 = 14/315
3. Likewise, for the 2nd fraction, since 21 × 15 = 315,
   27/21 = 27 × 15/21 × 15 = 405/315
4. Subtract the two like fractions:
   14/315 - 405/315 = 14 - 405/315 = -391/315

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