Answers

Add 72/48 and 90/15

1^st number: 1 24/48, 2^nd number: 6 0/15

72/48 + 90/15 is 15/2.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 48 and 15 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 48 × 5 = 240,
   72/48 = 72 × 5/48 × 5 = 360/240
3. Likewise, for the 2nd fraction, since 15 × 16 = 240,
   90/15 = 90 × 16/15 × 16 = 1440/240
4. Add the two like fractions:
   360/240 + 1440/240 = 360 + 1440/240 = 1800/240
5. 1800/240 simplified gives 15/2
6. So, 72/48 + 90/15 = 15/2
   In mixed form: 71/2

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