Answers

Add 70/30 and 40/35

1^st number: 2 10/30, 2^nd number: 1 5/35

70/30 + 40/35 is 73/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 35 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 30 × 7 = 210,
   70/30 = 70 × 7/30 × 7 = 490/210
3. Likewise, for the 2nd fraction, since 35 × 6 = 210,
   40/35 = 40 × 6/35 × 6 = 240/210
4. Add the two like fractions:
   490/210 + 240/210 = 490 + 240/210 = 730/210
5. 730/210 simplified gives 73/21
6. So, 70/30 + 40/35 = 73/21
   In mixed form: 310/21

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