Answers

Add 75/70 and 72/4

1^st number: 1 5/70, 2^nd number: 18 0/4

75/70 + 72/4 is 267/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 4 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 70 × 2 = 140,
   75/70 = 75 × 2/70 × 2 = 150/140
3. Likewise, for the 2nd fraction, since 4 × 35 = 140,
   72/4 = 72 × 35/4 × 35 = 2520/140
4. Add the two like fractions:
   150/140 + 2520/140 = 150 + 2520/140 = 2670/140
5. 2670/140 simplified gives 267/14
6. So, 75/70 + 72/4 = 267/14
   In mixed form: 191/14

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