Answers

Subtract 25/70 from 4/30

4/30 - 25/70 is -47/210.

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,
   4/30 = 4 × 7/30 × 7 = 28/210
3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
   25/70 = 25 × 3/70 × 3 = 75/210
4. Subtract the two like fractions:
   28/210 - 75/210 = 28 - 75/210 = -47/210

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