Add 27/20 and 6/90
1st number: 1 7/20, 2nd number: 6/90
27/20 + 6/90 is 17/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
27/20 = 27 × 9/20 × 9 = 243/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
6/90 = 6 × 2/90 × 2 = 12/180 - Add the two like fractions:
243/180 + 12/180 = 243 + 12/180 = 255/180 - 255/180 simplified gives 17/12
- So, 27/20 + 6/90 = 17/12
In mixed form: 15/12
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