Answers

Add 84/72 and 42/98

1^st number: 1 12/72, 2^nd number: 42/98

84/72 + 42/98 is 67/42.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 98 is 3528
   
   Next, find the equivalent fraction of both fractional numbers with denominator 3528
2. For the 1st fraction, since 72 × 49 = 3528,
   84/72 = 84 × 49/72 × 49 = 4116/3528
3. Likewise, for the 2nd fraction, since 98 × 36 = 3528,
   42/98 = 42 × 36/98 × 36 = 1512/3528
4. Add the two like fractions:
   4116/3528 + 1512/3528 = 4116 + 1512/3528 = 5628/3528
5. 5628/3528 simplified gives 67/42
6. So, 84/72 + 42/98 = 67/42
   In mixed form: 125/42

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