Add 81/6 and 20/80
1st number: 13 3/6, 2nd number: 20/80
81/6 + 20/80 is 55/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 6 × 40 = 240,
81/6 = 81 × 40/6 × 40 = 3240/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
20/80 = 20 × 3/80 × 3 = 60/240 - Add the two like fractions:
3240/240 + 60/240 = 3240 + 60/240 = 3300/240 - 3300/240 simplified gives 55/4
- So, 81/6 + 20/80 = 55/4
In mixed form: 133/4
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