Answers

Add 84/60 and 28/90

1^st number: 1 24/60, 2^nd number: 28/90

84/60 + 28/90 is 77/45.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 90 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 60 × 3 = 180,
   84/60 = 84 × 3/60 × 3 = 252/180
3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
   28/90 = 28 × 2/90 × 2 = 56/180
4. Add the two like fractions:
   252/180 + 56/180 = 252 + 56/180 = 308/180
5. 308/180 simplified gives 77/45
6. So, 84/60 + 28/90 = 77/45
   In mixed form: 132/45

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