Answers

Subtract 50/21 from 63/15

1^st number: 4 3/15, 2^nd number: 2 8/21

63/15 - 50/21 is 191/105.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 21 is 105
   
   Next, find the equivalent fraction of both fractional numbers with denominator 105
2. For the 1st fraction, since 15 × 7 = 105,
   63/15 = 63 × 7/15 × 7 = 441/105
3. Likewise, for the 2nd fraction, since 21 × 5 = 105,
   50/21 = 50 × 5/21 × 5 = 250/105
4. Subtract the two like fractions:
   441/105 - 250/105 = 441 - 250/105 = 191/105
5. In mixed form: 186/105

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