Answers

Subtract 9/28 from 6/70

6/70 - 9/28 is -33/140.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 28 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 70 × 2 = 140,
   6/70 = 6 × 2/70 × 2 = 12/140
3. Likewise, for the 2nd fraction, since 28 × 5 = 140,
   9/28 = 9 × 5/28 × 5 = 45/140
4. Subtract the two like fractions:
   12/140 - 45/140 = 12 - 45/140 = -33/140

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