Answers

Subtract 7/36 from 90/42

1^st number: 2 6/42, 2^nd number: 7/36

90/42 - 7/36 is 491/252.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 36 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 42 × 6 = 252,
   90/42 = 90 × 6/42 × 6 = 540/252
3. Likewise, for the 2nd fraction, since 36 × 7 = 252,
   7/36 = 7 × 7/36 × 7 = 49/252
4. Subtract the two like fractions:
   540/252 - 49/252 = 540 - 49/252 = 491/252
5. In mixed form: 1239/252

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