Answers

Subtract 35/70 from 12/45

12/45 - 35/70 is -7/30.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 70 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 45 × 14 = 630,
   12/45 = 12 × 14/45 × 14 = 168/630
3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
   35/70 = 35 × 9/70 × 9 = 315/630
4. Subtract the two like fractions:
   168/630 - 315/630 = 168 - 315/630 = -147/630
5. After reducing the fraction, the answer is -7/30

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