Answers

Subtract 8/20 from 75/70

1^st number: 1 5/70, 2^nd number: 8/20

75/70 - 8/20 is 47/70.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 20 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 70 × 2 = 140,
   75/70 = 75 × 2/70 × 2 = 150/140
3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
   8/20 = 8 × 7/20 × 7 = 56/140
4. Subtract the two like fractions:
   150/140 - 56/140 = 150 - 56/140 = 94/140
5. After reducing the fraction, the answer is 47/70

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