Answers

Add 8/72 and 81/30

1^st number: 8/72, 2^nd number: 2 21/30

8/72 + 81/30 is 253/90.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 30 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 72 × 5 = 360,
   8/72 = 8 × 5/72 × 5 = 40/360
3. Likewise, for the 2nd fraction, since 30 × 12 = 360,
   81/30 = 81 × 12/30 × 12 = 972/360
4. Add the two like fractions:
   40/360 + 972/360 = 40 + 972/360 = 1012/360
5. 1012/360 simplified gives 253/90
6. So, 8/72 + 81/30 = 253/90
   In mixed form: 273/90

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