Answers

Subtract 30/42 from 50/70

50/70 - 30/42 is 0/1.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 42 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 70 × 3 = 210,
   50/70 = 50 × 3/70 × 3 = 150/210
3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
   30/42 = 30 × 5/42 × 5 = 150/210
4. Subtract the two like fractions:
   150/210 - 150/210 = 150 - 150/210 = 0/210
5. The answer is 0

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