Answers

Subtract 56/7 from 30/42

1^st number: 30/42, 2^nd number: 8 0/7

30/42 - 56/7 is -51/7.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 7 is 42
   
   Next, find the equivalent fraction of both fractional numbers with denominator 42
2. For the 1st fraction, since 42 × 1 = 42,
   30/42 = 30 × 1/42 × 1 = 30/42
3. Likewise, for the 2nd fraction, since 7 × 6 = 42,
   56/7 = 56 × 6/7 × 6 = 336/42
4. Subtract the two like fractions:
   30/42 - 336/42 = 30 - 336/42 = -306/42
5. After reducing the fraction, the answer is -51/7

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