Add 1/20 and 81/30
1st number: 1/20, 2nd number: 2 21/30
1/20 + 81/30 is 11/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
1/20 = 1 × 3/20 × 3 = 3/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
81/30 = 81 × 2/30 × 2 = 162/60 - Add the two like fractions:
3/60 + 162/60 = 3 + 162/60 = 165/60 - 165/60 simplified gives 11/4
- So, 1/20 + 81/30 = 11/4
In mixed form: 23/4
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