Answers

Subtract 1/42 from 28/35

28/35 - 1/42 is 163/210.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 42 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 35 × 6 = 210,
   28/35 = 28 × 6/35 × 6 = 168/210
3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
   1/42 = 1 × 5/42 × 5 = 5/210
4. Subtract the two like fractions:
   168/210 - 5/210 = 168 - 5/210 = 163/210

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