Answers

Add 20/12 and 42/60

1^st number: 1 8/12, 2^nd number: 42/60

20/12 + 42/60 is 71/30.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 60 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 12 × 5 = 60,
   20/12 = 20 × 5/12 × 5 = 100/60
3. Likewise, for the 2nd fraction, since 60 × 1 = 60,
   42/60 = 42 × 1/60 × 1 = 42/60
4. Add the two like fractions:
   100/60 + 42/60 = 100 + 42/60 = 142/60
5. 142/60 simplified gives 71/30
6. So, 20/12 + 42/60 = 71/30
   In mixed form: 211/30

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