Answers

Add 70/75 and 28/72

70/75 + 28/72 is 119/90.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 72 is 1800
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1800
2. For the 1st fraction, since 75 × 24 = 1800,
   70/75 = 70 × 24/75 × 24 = 1680/1800
3. Likewise, for the 2nd fraction, since 72 × 25 = 1800,
   28/72 = 28 × 25/72 × 25 = 700/1800
4. Add the two like fractions:
   1680/1800 + 700/1800 = 1680 + 700/1800 = 2380/1800
5. 2380/1800 simplified gives 119/90
6. So, 70/75 + 28/72 = 119/90
   In mixed form: 129/90

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