Answers

Add 70/18 and 42/30

1^st number: 3 16/18, 2^nd number: 1 12/30

70/18 + 42/30 is 238/45.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 30 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 18 × 5 = 90,
   70/18 = 70 × 5/18 × 5 = 350/90
3. Likewise, for the 2nd fraction, since 30 × 3 = 90,
   42/30 = 42 × 3/30 × 3 = 126/90
4. Add the two like fractions:
   350/90 + 126/90 = 350 + 126/90 = 476/90
5. 476/90 simplified gives 238/45
6. So, 70/18 + 42/30 = 238/45
   In mixed form: 513/45

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