Answers

Subtract 50/70 from 30/49

30/49 - 50/70 is -5/49.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 49 and 70 is 490
   
   Next, find the equivalent fraction of both fractional numbers with denominator 490
2. For the 1st fraction, since 49 × 10 = 490,
   30/49 = 30 × 10/49 × 10 = 300/490
3. Likewise, for the 2nd fraction, since 70 × 7 = 490,
   50/70 = 50 × 7/70 × 7 = 350/490
4. Subtract the two like fractions:
   300/490 - 350/490 = 300 - 350/490 = -50/490
5. After reducing the fraction, the answer is -5/49

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