Answers

Add 80/90 and 98/72

1^st number: 80/90, 2^nd number: 1 26/72

80/90 + 98/72 is 9/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 72 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 90 × 4 = 360,
   80/90 = 80 × 4/90 × 4 = 320/360
3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
   98/72 = 98 × 5/72 × 5 = 490/360
4. Add the two like fractions:
   320/360 + 490/360 = 320 + 490/360 = 810/360
5. 810/360 simplified gives 9/4
6. So, 80/90 + 98/72 = 9/4
   In mixed form: 21/4

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