Answers

Add 4/30 and 81/70

1^st number: 4/30, 2^nd number: 1 11/70

4/30 + 81/70 is 271/210.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 70 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 30 × 7 = 210,
   4/30 = 4 × 7/30 × 7 = 28/210
3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
   81/70 = 81 × 3/70 × 3 = 243/210
4. Add the two like fractions:
   28/210 + 243/210 = 28 + 243/210 = 271/210
5. So, 4/30 + 81/70 = 271/210
   In mixed form: 161/210

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