Answers

Add 75/28 and 10/70

1^st number: 2 19/28, 2^nd number: 10/70

75/28 + 10/70 is 79/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 70 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 28 × 5 = 140,
   75/28 = 75 × 5/28 × 5 = 375/140
3. Likewise, for the 2nd fraction, since 70 × 2 = 140,
   10/70 = 10 × 2/70 × 2 = 20/140
4. Add the two like fractions:
   375/140 + 20/140 = 375 + 20/140 = 395/140
5. 395/140 simplified gives 79/28
6. So, 75/28 + 10/70 = 79/28
   In mixed form: 223/28

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