Answers

Add 84/80 and 72/49

1^st number: 1 4/80, 2^nd number: 1 23/49

84/80 + 72/49 is 2469/980.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 49 is 3920
   
   Next, find the equivalent fraction of both fractional numbers with denominator 3920
2. For the 1st fraction, since 80 × 49 = 3920,
   84/80 = 84 × 49/80 × 49 = 4116/3920
3. Likewise, for the 2nd fraction, since 49 × 80 = 3920,
   72/49 = 72 × 80/49 × 80 = 5760/3920
4. Add the two like fractions:
   4116/3920 + 5760/3920 = 4116 + 5760/3920 = 9876/3920
5. 9876/3920 simplified gives 2469/980
6. So, 84/80 + 72/49 = 2469/980
   In mixed form: 2509/980

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