Answers

Add 72/60 and 6/80

1^st number: 1 12/60, 2^nd number: 6/80

72/60 + 6/80 is 51/40.

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,
   72/60 = 72 × 4/60 × 4 = 288/240
3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
   6/80 = 6 × 3/80 × 3 = 18/240
4. Add the two like fractions:
   288/240 + 18/240 = 288 + 18/240 = 306/240
5. 306/240 simplified gives 51/40
6. So, 72/60 + 6/80 = 51/40
   In mixed form: 111/40

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