Answers

Add 40/18 and 45/70

1^st number: 2 4/18, 2^nd number: 45/70

40/18 + 45/70 is 361/126.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 70 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 18 × 35 = 630,
   40/18 = 40 × 35/18 × 35 = 1400/630
3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
   45/70 = 45 × 9/70 × 9 = 405/630
4. Add the two like fractions:
   1400/630 + 405/630 = 1400 + 405/630 = 1805/630
5. 1805/630 simplified gives 361/126
6. So, 40/18 + 45/70 = 361/126
   In mixed form: 2109/126

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