Answers

Add 3/70 and 75/60

1^st number: 3/70, 2^nd number: 1 15/60

3/70 + 75/60 is 181/140.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 60 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 70 × 6 = 420,
   3/70 = 3 × 6/70 × 6 = 18/420
3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
   75/60 = 75 × 7/60 × 7 = 525/420
4. Add the two like fractions:
   18/420 + 525/420 = 18 + 525/420 = 543/420
5. 543/420 simplified gives 181/140
6. So, 3/70 + 75/60 = 181/140
   In mixed form: 141/140

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