Answers

Add 30/28 and 90/30

1^st number: 1 2/28, 2^nd number: 3 0/30

30/28 + 90/30 is 57/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 30 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 28 × 15 = 420,
   30/28 = 30 × 15/28 × 15 = 450/420
3. Likewise, for the 2nd fraction, since 30 × 14 = 420,
   90/30 = 90 × 14/30 × 14 = 1260/420
4. Add the two like fractions:
   450/420 + 1260/420 = 450 + 1260/420 = 1710/420
5. 1710/420 simplified gives 57/14
6. So, 30/28 + 90/30 = 57/14
   In mixed form: 41/14

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