Answers

Add 70/40 and 63/54

1^st number: 1 30/40, 2^nd number: 1 9/54

70/40 + 63/54 is 35/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 54 is 1080
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1080
2. For the 1st fraction, since 40 × 27 = 1080,
   70/40 = 70 × 27/40 × 27 = 1890/1080
3. Likewise, for the 2nd fraction, since 54 × 20 = 1080,
   63/54 = 63 × 20/54 × 20 = 1260/1080
4. Add the two like fractions:
   1890/1080 + 1260/1080 = 1890 + 1260/1080 = 3150/1080
5. 3150/1080 simplified gives 35/12
6. So, 70/40 + 63/54 = 35/12
   In mixed form: 211/12

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