Add 81/6 and 45/20
1st number: 13 3/6, 2nd number: 2 5/20
81/6 + 45/20 is 63/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 6 × 10 = 60,
81/6 = 81 × 10/6 × 10 = 810/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
45/20 = 45 × 3/20 × 3 = 135/60 - Add the two like fractions:
810/60 + 135/60 = 810 + 135/60 = 945/60 - 945/60 simplified gives 63/4
- So, 81/6 + 45/20 = 63/4
In mixed form: 153/4
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