Answers

Subtract 8/20 from 70/7

1^st number: 10 0/7, 2^nd number: 8/20

70/7 - 8/20 is 48/5.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 20 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 7 × 20 = 140,
   70/7 = 70 × 20/7 × 20 = 1400/140
3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
   8/20 = 8 × 7/20 × 7 = 56/140
4. Subtract the two like fractions:
   1400/140 - 56/140 = 1400 - 56/140 = 1344/140
5. After reducing the fraction, the answer is 48/5
6. In mixed form: 93/5

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