Answers

Subtract 7/48 from 90/42

1^st number: 2 6/42, 2^nd number: 7/48

90/42 - 7/48 is 671/336.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 48 is 336
   
   Next, find the equivalent fraction of both fractional numbers with denominator 336
2. For the 1st fraction, since 42 × 8 = 336,
   90/42 = 90 × 8/42 × 8 = 720/336
3. Likewise, for the 2nd fraction, since 48 × 7 = 336,
   7/48 = 7 × 7/48 × 7 = 49/336
4. Subtract the two like fractions:
   720/336 - 49/336 = 720 - 49/336 = 671/336
5. In mixed form: 1335/336

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