Answers

Add 80/90 and 81/24

1^st number: 80/90, 2^nd number: 3 9/24

80/90 + 81/24 is 307/72.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 24 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 24 × 15 = 360,
   81/24 = 81 × 15/24 × 15 = 1215/360
4. Add the two like fractions:
   320/360 + 1215/360 = 320 + 1215/360 = 1535/360
5. 1535/360 simplified gives 307/72
6. So, 80/90 + 81/24 = 307/72
   In mixed form: 419/72

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