Answers

Subtract 64/9 from 4/7

1^st number: 4/7, 2^nd number: 7 1/9

4/7 - 64/9 is -412/63.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 9 is 63
   
   Next, find the equivalent fraction of both fractional numbers with denominator 63
2. For the 1st fraction, since 7 × 9 = 63,
   4/7 = 4 × 9/7 × 9 = 36/63
3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
   64/9 = 64 × 7/9 × 7 = 448/63
4. Subtract the two like fractions:
   36/63 - 448/63 = 36 - 448/63 = -412/63

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