Answers

Add 10/7 and 21/27

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

10/7 + 21/27 is 139/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 27 is 189
   
   Next, find the equivalent fraction of both fractional numbers with denominator 189
2. For the 1st fraction, since 7 × 27 = 189,
   10/7 = 10 × 27/7 × 27 = 270/189
3. Likewise, for the 2nd fraction, since 27 × 7 = 189,
   21/27 = 21 × 7/27 × 7 = 147/189
4. Add the two like fractions:
   270/189 + 147/189 = 270 + 147/189 = 417/189
5. 417/189 simplified gives 139/63
6. So, 10/7 + 21/27 = 139/63
   In mixed form: 213/63

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