Answers

Add 72/70 and 1/84

1^st number: 1 2/70, 2^nd number: 1/84

72/70 + 1/84 is 437/420.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 84 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 70 × 6 = 420,
   72/70 = 72 × 6/70 × 6 = 432/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   1/84 = 1 × 5/84 × 5 = 5/420
4. Add the two like fractions:
   432/420 + 5/420 = 432 + 5/420 = 437/420
5. So, 72/70 + 1/84 = 437/420
   In mixed form: 117/420

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