Answers

Add 14/20 and 70/54

1^st number: 14/20, 2^nd number: 1 16/54

14/20 + 70/54 is 539/270.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 54 is 540
   
   Next, find the equivalent fraction of both fractional numbers with denominator 540
2. For the 1st fraction, since 20 × 27 = 540,
   14/20 = 14 × 27/20 × 27 = 378/540
3. Likewise, for the 2nd fraction, since 54 × 10 = 540,
   70/54 = 70 × 10/54 × 10 = 700/540
4. Add the two like fractions:
   378/540 + 700/540 = 378 + 700/540 = 1078/540
5. 1078/540 simplified gives 539/270
6. So, 14/20 + 70/54 = 539/270
   In mixed form: 1269/270

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