Answers

Subtract 3/36 from 90/42

1^st number: 2 6/42, 2^nd number: 3/36

90/42 - 3/36 is 173/84.

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,
   3/36 = 3 × 7/36 × 7 = 21/252
4. Subtract the two like fractions:
   540/252 - 21/252 = 540 - 21/252 = 519/252
5. After reducing the fraction, the answer is 173/84
6. In mixed form: 25/84

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