Answers

Subtract 45/70 from 60/90

60/90 - 45/70 is 1/42.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 70 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 90 × 7 = 630,
   60/90 = 60 × 7/90 × 7 = 420/630
3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
   45/70 = 45 × 9/70 × 9 = 405/630
4. Subtract the two like fractions:
   420/630 - 405/630 = 420 - 405/630 = 15/630
5. After reducing the fraction, the answer is 1/42

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