Answers

Add 80/45 and 98/72

1^st number: 1 35/45, 2^nd number: 1 26/72

80/45 + 98/72 is 113/36.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 72 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 45 × 8 = 360,
   80/45 = 80 × 8/45 × 8 = 640/360
3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
   98/72 = 98 × 5/72 × 5 = 490/360
4. Add the two like fractions:
   640/360 + 490/360 = 640 + 490/360 = 1130/360
5. 1130/360 simplified gives 113/36
6. So, 80/45 + 98/72 = 113/36
   In mixed form: 35/36

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