Answers

Add 70/21 and 70/27

1^st number: 3 7/21, 2^nd number: 2 16/27

70/21 + 70/27 is 160/27.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 27 is 189
   
   Next, find the equivalent fraction of both fractional numbers with denominator 189
2. For the 1st fraction, since 21 × 9 = 189,
   70/21 = 70 × 9/21 × 9 = 630/189
3. Likewise, for the 2nd fraction, since 27 × 7 = 189,
   70/27 = 70 × 7/27 × 7 = 490/189
4. Add the two like fractions:
   630/189 + 490/189 = 630 + 490/189 = 1120/189
5. 1120/189 simplified gives 160/27
6. So, 70/21 + 70/27 = 160/27
   In mixed form: 525/27

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