Add 81/18 and 80/60
1st number: 4 9/18, 2nd number: 1 20/60
81/18 + 80/60 is 35/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 18 × 10 = 180,
81/18 = 81 × 10/18 × 10 = 810/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
80/60 = 80 × 3/60 × 3 = 240/180 - Add the two like fractions:
810/180 + 240/180 = 810 + 240/180 = 1050/180 - 1050/180 simplified gives 35/6
- So, 81/18 + 80/60 = 35/6
In mixed form: 55/6
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