Answers

Add 30/28 and 1/20

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

30/28 + 1/20 is 157/140.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 20 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 28 × 5 = 140,
   30/28 = 30 × 5/28 × 5 = 150/140
3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
   1/20 = 1 × 7/20 × 7 = 7/140
4. Add the two like fractions:
   150/140 + 7/140 = 150 + 7/140 = 157/140
5. So, 30/28 + 1/20 = 157/140
   In mixed form: 117/140

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