Answers

Subtract 40/28 from 90/42

1^st number: 2 6/42, 2^nd number: 1 12/28

90/42 - 40/28 is 5/7.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 28 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 42 × 2 = 84,
   90/42 = 90 × 2/42 × 2 = 180/84
3. Likewise, for the 2nd fraction, since 28 × 3 = 84,
   40/28 = 40 × 3/28 × 3 = 120/84
4. Subtract the two like fractions:
   180/84 - 120/84 = 180 - 120/84 = 60/84
5. After reducing the fraction, the answer is 5/7

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