Add 20/3 and 81/20
1st number: 6 2/3, 2nd number: 4 1/20
20/3 + 81/20 is 643/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 3 × 20 = 60,
20/3 = 20 × 20/3 × 20 = 400/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
81/20 = 81 × 3/20 × 3 = 243/60 - Add the two like fractions:
400/60 + 243/60 = 400 + 243/60 = 643/60 - So, 20/3 + 81/20 = 643/60
In mixed form: 1043/60
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