Answers

Add 20/28 and 72/7

1^st number: 20/28, 2^nd number: 10 2/7

20/28 + 72/7 is 11/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 7 is 28
   
   Next, find the equivalent fraction of both fractional numbers with denominator 28
2. For the 1st fraction, since 28 × 1 = 28,
   20/28 = 20 × 1/28 × 1 = 20/28
3. Likewise, for the 2nd fraction, since 7 × 4 = 28,
   72/7 = 72 × 4/7 × 4 = 288/28
4. Add the two like fractions:
   20/28 + 288/28 = 20 + 288/28 = 308/28
5. 308/28 simplified gives 11/1
6. So, 20/28 + 72/7 = 11/1

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