Answers

Subtract 7/10 from 20/7

1^st number: 2 6/7, 2^nd number: 7/10

20/7 - 7/10 is 151/70.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 10 is 70
   
   Next, find the equivalent fraction of both fractional numbers with denominator 70
2. For the 1st fraction, since 7 × 10 = 70,
   20/7 = 20 × 10/7 × 10 = 200/70
3. Likewise, for the 2nd fraction, since 10 × 7 = 70,
   7/10 = 7 × 7/10 × 7 = 49/70
4. Subtract the two like fractions:
   200/70 - 49/70 = 200 - 49/70 = 151/70
5. In mixed form: 211/70

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