Answers

Subtract 90/8 from 42/14

1^st number: 3 0/14, 2^nd number: 11 2/8

42/14 - 90/8 is -33/4.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 14 and 8 is 56
   
   Next, find the equivalent fraction of both fractional numbers with denominator 56
2. For the 1st fraction, since 14 × 4 = 56,
   42/14 = 42 × 4/14 × 4 = 168/56
3. Likewise, for the 2nd fraction, since 8 × 7 = 56,
   90/8 = 90 × 7/8 × 7 = 630/56
4. Subtract the two like fractions:
   168/56 - 630/56 = 168 - 630/56 = -462/56
5. After reducing the fraction, the answer is -33/4

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