Answers

Subtract 15/45 from 24/21

1^st number: 1 3/21, 2^nd number: 15/45

24/21 - 15/45 is 17/21.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 45 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 21 × 15 = 315,
   24/21 = 24 × 15/21 × 15 = 360/315
3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
   15/45 = 15 × 7/45 × 7 = 105/315
4. Subtract the two like fractions:
   360/315 - 105/315 = 360 - 105/315 = 255/315
5. After reducing the fraction, the answer is 17/21

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