Answers

Add 90/30 and 72/32

1^st number: 3 0/30, 2^nd number: 2 8/32

90/30 + 72/32 is 21/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 32 is 480
   
   Next, find the equivalent fraction of both fractional numbers with denominator 480
2. For the 1st fraction, since 30 × 16 = 480,
   90/30 = 90 × 16/30 × 16 = 1440/480
3. Likewise, for the 2nd fraction, since 32 × 15 = 480,
   72/32 = 72 × 15/32 × 15 = 1080/480
4. Add the two like fractions:
   1440/480 + 1080/480 = 1440 + 1080/480 = 2520/480
5. 2520/480 simplified gives 21/4
6. So, 90/30 + 72/32 = 21/4
   In mixed form: 51/4

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