Answers

Add 90/30 and 15/72

1^st number: 3 0/30, 2^nd number: 15/72

90/30 + 15/72 is 77/24.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 72 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 30 × 12 = 360,
   90/30 = 90 × 12/30 × 12 = 1080/360
3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
   15/72 = 15 × 5/72 × 5 = 75/360
4. Add the two like fractions:
   1080/360 + 75/360 = 1080 + 75/360 = 1155/360
5. 1155/360 simplified gives 77/24
6. So, 90/30 + 15/72 = 77/24
   In mixed form: 35/24

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