Answers

Subtract 7/30 from 20/7

1^st number: 2 6/7, 2^nd number: 7/30

20/7 - 7/30 is 551/210.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 30 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 7 × 30 = 210,
   20/7 = 20 × 30/7 × 30 = 600/210
3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
   7/30 = 7 × 7/30 × 7 = 49/210
4. Subtract the two like fractions:
   600/210 - 49/210 = 600 - 49/210 = 551/210
5. In mixed form: 2131/210

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