Answers

Subtract 20/70 from 80/9

1^st number: 8 8/9, 2^nd number: 20/70

80/9 - 20/70 is 542/63.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 70 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 9 × 70 = 630,
   80/9 = 80 × 70/9 × 70 = 5600/630
3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
   20/70 = 20 × 9/70 × 9 = 180/630
4. Subtract the two like fractions:
   5600/630 - 180/630 = 5600 - 180/630 = 5420/630
5. After reducing the fraction, the answer is 542/63
6. In mixed form: 838/63

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