Answers

Add 72/70 and 30/42

1^st number: 1 2/70, 2^nd number: 30/42

72/70 + 30/42 is 61/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 42 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 70 × 3 = 210,
   72/70 = 72 × 3/70 × 3 = 216/210
3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
   30/42 = 30 × 5/42 × 5 = 150/210
4. Add the two like fractions:
   216/210 + 150/210 = 216 + 150/210 = 366/210
5. 366/210 simplified gives 61/35
6. So, 72/70 + 30/42 = 61/35
   In mixed form: 126/35

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