Answers

Add 20/70 and 63/27

1^st number: 20/70, 2^nd number: 2 9/27

20/70 + 63/27 is 55/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 27 is 1890
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1890
2. For the 1st fraction, since 70 × 27 = 1890,
   20/70 = 20 × 27/70 × 27 = 540/1890
3. Likewise, for the 2nd fraction, since 27 × 70 = 1890,
   63/27 = 63 × 70/27 × 70 = 4410/1890
4. Add the two like fractions:
   540/1890 + 4410/1890 = 540 + 4410/1890 = 4950/1890
5. 4950/1890 simplified gives 55/21
6. So, 20/70 + 63/27 = 55/21
   In mixed form: 213/21

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