Answers

Subtract 50/63 from 20/15

1^st number: 1 5/15, 2^nd number: 50/63

20/15 - 50/63 is 34/63.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 63 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 15 × 21 = 315,
   20/15 = 20 × 21/15 × 21 = 420/315
3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
   50/63 = 50 × 5/63 × 5 = 250/315
4. Subtract the two like fractions:
   420/315 - 250/315 = 420 - 250/315 = 170/315
5. After reducing the fraction, the answer is 34/63

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