Answers

Add 90/72 and 15/60

1^st number: 1 18/72, 2^nd number: 15/60

90/72 + 15/60 is 3/2.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 60 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 72 × 5 = 360,
   90/72 = 90 × 5/72 × 5 = 450/360
3. Likewise, for the 2nd fraction, since 60 × 6 = 360,
   15/60 = 15 × 6/60 × 6 = 90/360
4. Add the two like fractions:
   450/360 + 90/360 = 450 + 90/360 = 540/360
5. 540/360 simplified gives 3/2
6. So, 90/72 + 15/60 = 3/2
   In mixed form: 11/2

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