Answers

Add 30/27 and 90/70

1^st number: 1 3/27, 2^nd number: 1 20/70

30/27 + 90/70 is 151/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 70 is 1890
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1890
2. For the 1st fraction, since 27 × 70 = 1890,
   30/27 = 30 × 70/27 × 70 = 2100/1890
3. Likewise, for the 2nd fraction, since 70 × 27 = 1890,
   90/70 = 90 × 27/70 × 27 = 2430/1890
4. Add the two like fractions:
   2100/1890 + 2430/1890 = 2100 + 2430/1890 = 4530/1890
5. 4530/1890 simplified gives 151/63
6. So, 30/27 + 90/70 = 151/63
   In mixed form: 225/63

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