Answers

Subtract 48/21 from 8/45

1^st number: 8/45, 2^nd number: 2 6/21

8/45 - 48/21 is -664/315.

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,
   8/45 = 8 × 7/45 × 7 = 56/315
3. Likewise, for the 2nd fraction, since 21 × 15 = 315,
   48/21 = 48 × 15/21 × 15 = 720/315
4. Subtract the two like fractions:
   56/315 - 720/315 = 56 - 720/315 = -664/315

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