Answers

Add 80/70 and 20/75

1^st number: 1 10/70, 2^nd number: 20/75

80/70 + 20/75 is 148/105.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 75 is 1050
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1050
2. For the 1st fraction, since 70 × 15 = 1050,
   80/70 = 80 × 15/70 × 15 = 1200/1050
3. Likewise, for the 2nd fraction, since 75 × 14 = 1050,
   20/75 = 20 × 14/75 × 14 = 280/1050
4. Add the two like fractions:
   1200/1050 + 280/1050 = 1200 + 280/1050 = 1480/1050
5. 1480/1050 simplified gives 148/105
6. So, 80/70 + 20/75 = 148/105
   In mixed form: 143/105

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