Answers

Add 3/70 and 84/72

1^st number: 3/70, 2^nd number: 1 12/72

3/70 + 84/72 is 127/105.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 72 is 2520
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2520
2. For the 1st fraction, since 70 × 36 = 2520,
   3/70 = 3 × 36/70 × 36 = 108/2520
3. Likewise, for the 2nd fraction, since 72 × 35 = 2520,
   84/72 = 84 × 35/72 × 35 = 2940/2520
4. Add the two like fractions:
   108/2520 + 2940/2520 = 108 + 2940/2520 = 3048/2520
5. 3048/2520 simplified gives 127/105
6. So, 3/70 + 84/72 = 127/105
   In mixed form: 122/105

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