Answers

Subtract 4/63 from 8/7

1^st number: 1 1/7, 2^nd number: 4/63

8/7 - 4/63 is 68/63.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 63 is 63
   
   Next, find the equivalent fraction of both fractional numbers with denominator 63
2. For the 1st fraction, since 7 × 9 = 63,
   8/7 = 8 × 9/7 × 9 = 72/63
3. Likewise, for the 2nd fraction, since 63 × 1 = 63,
   4/63 = 4 × 1/63 × 1 = 4/63
4. Subtract the two like fractions:
   72/63 - 4/63 = 72 - 4/63 = 68/63
5. In mixed form: 15/63

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