Add 27/9 and 81/60
1st number: 3 0/9, 2nd number: 1 21/60
27/9 + 81/60 is 87/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 9 × 20 = 180,
27/9 = 27 × 20/9 × 20 = 540/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
81/60 = 81 × 3/60 × 3 = 243/180 - Add the two like fractions:
540/180 + 243/180 = 540 + 243/180 = 783/180 - 783/180 simplified gives 87/20
- So, 27/9 + 81/60 = 87/20
In mixed form: 47/20
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