Answers

Subtract 7/96 from 90/42

1^st number: 2 6/42, 2^nd number: 7/96

90/42 - 7/96 is 1391/672.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 96 is 672
   
   Next, find the equivalent fraction of both fractional numbers with denominator 672
2. For the 1st fraction, since 42 × 16 = 672,
   90/42 = 90 × 16/42 × 16 = 1440/672
3. Likewise, for the 2nd fraction, since 96 × 7 = 672,
   7/96 = 7 × 7/96 × 7 = 49/672
4. Subtract the two like fractions:
   1440/672 - 49/672 = 1440 - 49/672 = 1391/672
5. In mixed form: 247/672

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