Answers

Subtract 50/21 from 2/15

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

2/15 - 50/21 is -236/105.

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,
   2/15 = 2 × 7/15 × 7 = 14/105
3. Likewise, for the 2nd fraction, since 21 × 5 = 105,
   50/21 = 50 × 5/21 × 5 = 250/105
4. Subtract the two like fractions:
   14/105 - 250/105 = 14 - 250/105 = -236/105

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