Answers

Add 72/70 and 28/30

1^st number: 1 2/70, 2^nd number: 28/30

72/70 + 28/30 is 206/105.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 30 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 30 × 7 = 210,
   28/30 = 28 × 7/30 × 7 = 196/210
4. Add the two like fractions:
   216/210 + 196/210 = 216 + 196/210 = 412/210
5. 412/210 simplified gives 206/105
6. So, 72/70 + 28/30 = 206/105
   In mixed form: 1101/105

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