Answers

Add 30/28 and 80/90

1^st number: 1 2/28, 2^nd number: 80/90

30/28 + 80/90 is 247/126.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 90 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 28 × 45 = 1260,
   30/28 = 30 × 45/28 × 45 = 1350/1260
3. Likewise, for the 2nd fraction, since 90 × 14 = 1260,
   80/90 = 80 × 14/90 × 14 = 1120/1260
4. Add the two like fractions:
   1350/1260 + 1120/1260 = 1350 + 1120/1260 = 2470/1260
5. 2470/1260 simplified gives 247/126
6. So, 30/28 + 80/90 = 247/126
   In mixed form: 1121/126

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