Add 20/90 and 9/27
20/90 + 9/27 is 5/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 27 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 90 × 3 = 270,
20/90 = 20 × 3/90 × 3 = 60/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
9/27 = 9 × 10/27 × 10 = 90/270 - Add the two like fractions:
60/270 + 90/270 = 60 + 90/270 = 150/270 - 150/270 simplified gives 5/9
- So, 20/90 + 9/27 = 5/9
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