Answers

Add 42/35 and 72/30

1^st number: 1 7/35, 2^nd number: 2 12/30

42/35 + 72/30 is 18/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 30 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 35 × 6 = 210,
   42/35 = 42 × 6/35 × 6 = 252/210
3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
   72/30 = 72 × 7/30 × 7 = 504/210
4. Add the two like fractions:
   252/210 + 504/210 = 252 + 504/210 = 756/210
5. 756/210 simplified gives 18/5
6. So, 42/35 + 72/30 = 18/5
   In mixed form: 33/5

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