Answers

Subtract 30/15 from 49/63

1^st number: 49/63, 2^nd number: 2 0/15

49/63 - 30/15 is -11/9.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 15 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 63 × 5 = 315,
   49/63 = 49 × 5/63 × 5 = 245/315
3. Likewise, for the 2nd fraction, since 15 × 21 = 315,
   30/15 = 30 × 21/15 × 21 = 630/315
4. Subtract the two like fractions:
   245/315 - 630/315 = 245 - 630/315 = -385/315
5. After reducing the fraction, the answer is -11/9

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