Answers

Subtract 15/30 from 54/70

54/70 - 15/30 is 19/70.

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,
   54/70 = 54 × 3/70 × 3 = 162/210
3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
   15/30 = 15 × 7/30 × 7 = 105/210
4. Subtract the two like fractions:
   162/210 - 105/210 = 162 - 105/210 = 57/210
5. After reducing the fraction, the answer is 19/70

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