Answers

Add 70/54 and 45/80

1^st number: 1 16/54, 2^nd number: 45/80

70/54 + 45/80 is 803/432.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 80 is 2160
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2160
2. For the 1st fraction, since 54 × 40 = 2160,
   70/54 = 70 × 40/54 × 40 = 2800/2160
3. Likewise, for the 2nd fraction, since 80 × 27 = 2160,
   45/80 = 45 × 27/80 × 27 = 1215/2160
4. Add the two like fractions:
   2800/2160 + 1215/2160 = 2800 + 1215/2160 = 4015/2160
5. 4015/2160 simplified gives 803/432
6. So, 70/54 + 45/80 = 803/432
   In mixed form: 1371/432

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