Answers

Subtract 27/28 from 42/10

1^st number: 4 2/10, 2^nd number: 27/28

42/10 - 27/28 is 453/140.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 28 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 10 × 14 = 140,
   42/10 = 42 × 14/10 × 14 = 588/140
3. Likewise, for the 2nd fraction, since 28 × 5 = 140,
   27/28 = 27 × 5/28 × 5 = 135/140
4. Subtract the two like fractions:
   588/140 - 135/140 = 588 - 135/140 = 453/140
5. In mixed form: 333/140

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