Answers

Add 1/60 and 90/80

1^st number: 1/60, 2^nd number: 1 10/80

1/60 + 90/80 is 137/120.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 80 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 60 × 4 = 240,
   1/60 = 1 × 4/60 × 4 = 4/240
3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
   90/80 = 90 × 3/80 × 3 = 270/240
4. Add the two like fractions:
   4/240 + 270/240 = 4 + 270/240 = 274/240
5. 274/240 simplified gives 137/120
6. So, 1/60 + 90/80 = 137/120
   In mixed form: 117/120

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