Answers

Add 6/84 and 72/45

1^st number: 6/84, 2^nd number: 1 27/45

6/84 + 72/45 is 117/70.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 45 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 84 × 15 = 1260,
   6/84 = 6 × 15/84 × 15 = 90/1260
3. Likewise, for the 2nd fraction, since 45 × 28 = 1260,
   72/45 = 72 × 28/45 × 28 = 2016/1260
4. Add the two like fractions:
   90/1260 + 2016/1260 = 90 + 2016/1260 = 2106/1260
5. 2106/1260 simplified gives 117/70
6. So, 6/84 + 72/45 = 117/70
   In mixed form: 147/70

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