Answers

Subtract 30/70 from 7/30

7/30 - 30/70 is -41/210.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 70 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 30 × 7 = 210,
   7/30 = 7 × 7/30 × 7 = 49/210
3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
   30/70 = 30 × 3/70 × 3 = 90/210
4. Subtract the two like fractions:
   49/210 - 90/210 = 49 - 90/210 = -41/210

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