Answers

Add 12/70 and 72/96

12/70 + 72/96 is 129/140.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 96 is 3360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 3360
2. For the 1st fraction, since 70 × 48 = 3360,
   12/70 = 12 × 48/70 × 48 = 576/3360
3. Likewise, for the 2nd fraction, since 96 × 35 = 3360,
   72/96 = 72 × 35/96 × 35 = 2520/3360
4. Add the two like fractions:
   576/3360 + 2520/3360 = 576 + 2520/3360 = 3096/3360
5. 3096/3360 simplified gives 129/140
6. So, 12/70 + 72/96 = 129/140

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