Answers

Subtract 70/45 from 7/70

1^st number: 7/70, 2^nd number: 1 25/45

7/70 - 70/45 is -131/90.

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,
   7/70 = 7 × 9/70 × 9 = 63/630
3. Likewise, for the 2nd fraction, since 45 × 14 = 630,
   70/45 = 70 × 14/45 × 14 = 980/630
4. Subtract the two like fractions:
   63/630 - 980/630 = 63 - 980/630 = -917/630
5. After reducing the fraction, the answer is -131/90

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