Answers

Add 84/70 and 4/72

1^st number: 1 14/70, 2^nd number: 4/72

84/70 + 4/72 is 113/90.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 72 is 2520
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2520
2. For the 1st fraction, since 70 × 36 = 2520,
   84/70 = 84 × 36/70 × 36 = 3024/2520
3. Likewise, for the 2nd fraction, since 72 × 35 = 2520,
   4/72 = 4 × 35/72 × 35 = 140/2520
4. Add the two like fractions:
   3024/2520 + 140/2520 = 3024 + 140/2520 = 3164/2520
5. 3164/2520 simplified gives 113/90
6. So, 84/70 + 4/72 = 113/90
   In mixed form: 123/90

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