Add 81/60 and 20/18
1st number: 1 21/60, 2nd number: 1 2/18
81/60 + 20/18 is 443/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 18 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
81/60 = 81 × 3/60 × 3 = 243/180 - Likewise, for the 2nd fraction, since 18 × 10 = 180,
20/18 = 20 × 10/18 × 10 = 200/180 - Add the two like fractions:
243/180 + 200/180 = 243 + 200/180 = 443/180 - So, 81/60 + 20/18 = 443/180
In mixed form: 283/180
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