Answers

Subtract 63/45 from 25/70

1^st number: 25/70, 2^nd number: 1 18/45

25/70 - 63/45 is -73/70.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 45 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 70 × 9 = 630,
   25/70 = 25 × 9/70 × 9 = 225/630
3. Likewise, for the 2nd fraction, since 45 × 14 = 630,
   63/45 = 63 × 14/45 × 14 = 882/630
4. Subtract the two like fractions:
   225/630 - 882/630 = 225 - 882/630 = -657/630
5. After reducing the fraction, the answer is -73/70

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