Answers

Add 72/70 and 60/27

1^st number: 1 2/70, 2^nd number: 2 6/27

72/70 + 60/27 is 1024/315.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 27 is 1890
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1890
2. For the 1st fraction, since 70 × 27 = 1890,
   72/70 = 72 × 27/70 × 27 = 1944/1890
3. Likewise, for the 2nd fraction, since 27 × 70 = 1890,
   60/27 = 60 × 70/27 × 70 = 4200/1890
4. Add the two like fractions:
   1944/1890 + 4200/1890 = 1944 + 4200/1890 = 6144/1890
5. 6144/1890 simplified gives 1024/315
6. So, 72/70 + 60/27 = 1024/315
   In mixed form: 379/315

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