Answers

Add 60/72 and 90/28

1^st number: 60/72, 2^nd number: 3 6/28

60/72 + 90/28 is 85/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 28 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 72 × 7 = 504,
   60/72 = 60 × 7/72 × 7 = 420/504
3. Likewise, for the 2nd fraction, since 28 × 18 = 504,
   90/28 = 90 × 18/28 × 18 = 1620/504
4. Add the two like fractions:
   420/504 + 1620/504 = 420 + 1620/504 = 2040/504
5. 2040/504 simplified gives 85/21
6. So, 60/72 + 90/28 = 85/21
   In mixed form: 41/21

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