Answers

Add 70/18 and 54/7

1^st number: 3 16/18, 2^nd number: 7 5/7

70/18 + 54/7 is 731/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 7 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 18 × 7 = 126,
   70/18 = 70 × 7/18 × 7 = 490/126
3. Likewise, for the 2nd fraction, since 7 × 18 = 126,
   54/7 = 54 × 18/7 × 18 = 972/126
4. Add the two like fractions:
   490/126 + 972/126 = 490 + 972/126 = 1462/126
5. 1462/126 simplified gives 731/63
6. So, 70/18 + 54/7 = 731/63
   In mixed form: 1138/63

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