Answers

Add 60/20 and 42/90

1^st number: 3 0/20, 2^nd number: 42/90

60/20 + 42/90 is 52/15.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 90 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 20 × 9 = 180,
   60/20 = 60 × 9/20 × 9 = 540/180
3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
   42/90 = 42 × 2/90 × 2 = 84/180
4. Add the two like fractions:
   540/180 + 84/180 = 540 + 84/180 = 624/180
5. 624/180 simplified gives 52/15
6. So, 60/20 + 42/90 = 52/15
   In mixed form: 37/15

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