Answers

Subtract 28/70 from 5/42

5/42 - 28/70 is -59/210.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 70 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 42 × 5 = 210,
   5/42 = 5 × 5/42 × 5 = 25/210
3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
   28/70 = 28 × 3/70 × 3 = 84/210
4. Subtract the two like fractions:
   25/210 - 84/210 = 25 - 84/210 = -59/210

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