Answers

Subtract 12/70 from 35/42

35/42 - 12/70 is 139/210.

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,
   35/42 = 35 × 5/42 × 5 = 175/210
3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
   12/70 = 12 × 3/70 × 3 = 36/210
4. Subtract the two like fractions:
   175/210 - 36/210 = 175 - 36/210 = 139/210

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