Answers

Add 80/40 and 98/72

1^st number: 2 0/40, 2^nd number: 1 26/72

80/40 + 98/72 is 121/36.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 72 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 40 × 9 = 360,
   80/40 = 80 × 9/40 × 9 = 720/360
3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
   98/72 = 98 × 5/72 × 5 = 490/360
4. Add the two like fractions:
   720/360 + 490/360 = 720 + 490/360 = 1210/360
5. 1210/360 simplified gives 121/36
6. So, 80/40 + 98/72 = 121/36
   In mixed form: 313/36

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