Answers

Subtract 42/48 from 30/56

30/56 - 42/48 is -19/56.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 48 is 336
   
   Next, find the equivalent fraction of both fractional numbers with denominator 336
2. For the 1st fraction, since 56 × 6 = 336,
   30/56 = 30 × 6/56 × 6 = 180/336
3. Likewise, for the 2nd fraction, since 48 × 7 = 336,
   42/48 = 42 × 7/48 × 7 = 294/336
4. Subtract the two like fractions:
   180/336 - 294/336 = 180 - 294/336 = -114/336
5. After reducing the fraction, the answer is -19/56

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