Answers

Add 80/54 and 21/70

1^st number: 1 26/54, 2^nd number: 21/70

80/54 + 21/70 is 481/270.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 70 is 1890
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1890
2. For the 1st fraction, since 54 × 35 = 1890,
   80/54 = 80 × 35/54 × 35 = 2800/1890
3. Likewise, for the 2nd fraction, since 70 × 27 = 1890,
   21/70 = 21 × 27/70 × 27 = 567/1890
4. Add the two like fractions:
   2800/1890 + 567/1890 = 2800 + 567/1890 = 3367/1890
5. 3367/1890 simplified gives 481/270
6. So, 80/54 + 21/70 = 481/270
   In mixed form: 1211/270

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