Answers

Subtract 42/9 from 6/8

1^st number: 6/8, 2^nd number: 4 6/9

6/8 - 42/9 is -47/12.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 9 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 8 × 9 = 72,
   6/8 = 6 × 9/8 × 9 = 54/72
3. Likewise, for the 2nd fraction, since 9 × 8 = 72,
   42/9 = 42 × 8/9 × 8 = 336/72
4. Subtract the two like fractions:
   54/72 - 336/72 = 54 - 336/72 = -282/72
5. After reducing the fraction, the answer is -47/12

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