Answers

Add 90/20 and 1/60

1^st number: 4 10/20, 2^nd number: 1/60

90/20 + 1/60 is 271/60.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 60 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 20 × 3 = 60,
   90/20 = 90 × 3/20 × 3 = 270/60
3. Likewise, for the 2nd fraction, since 60 × 1 = 60,
   1/60 = 1 × 1/60 × 1 = 1/60
4. Add the two like fractions:
   270/60 + 1/60 = 270 + 1/60 = 271/60
5. So, 90/20 + 1/60 = 271/60
   In mixed form: 431/60

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