Answers

Subtract 18/30 from 49/70

49/70 - 18/30 is 1/10.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 30 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 70 × 3 = 210,
   49/70 = 49 × 3/70 × 3 = 147/210
3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
   18/30 = 18 × 7/30 × 7 = 126/210
4. Subtract the two like fractions:
   147/210 - 126/210 = 147 - 126/210 = 21/210
5. After reducing the fraction, the answer is 1/10

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