Answers

Subtract 48/72 from 9/70

9/70 - 48/72 is -113/210.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 72 is 2520
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2520
2. For the 1st fraction, since 70 × 36 = 2520,
   9/70 = 9 × 36/70 × 36 = 324/2520
3. Likewise, for the 2nd fraction, since 72 × 35 = 2520,
   48/72 = 48 × 35/72 × 35 = 1680/2520
4. Subtract the two like fractions:
   324/2520 - 1680/2520 = 324 - 1680/2520 = -1356/2520
5. After reducing the fraction, the answer is -113/210

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