Answers

Subtract 84/16 from 42/28

1^st number: 1 14/28, 2^nd number: 5 4/16

42/28 - 84/16 is -15/4.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 16 is 112
   
   Next, find the equivalent fraction of both fractional numbers with denominator 112
2. For the 1st fraction, since 28 × 4 = 112,
   42/28 = 42 × 4/28 × 4 = 168/112
3. Likewise, for the 2nd fraction, since 16 × 7 = 112,
   84/16 = 84 × 7/16 × 7 = 588/112
4. Subtract the two like fractions:
   168/112 - 588/112 = 168 - 588/112 = -420/112
5. After reducing the fraction, the answer is -15/4

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