Add 20/30 and 45/54
20/30 + 45/54 is 3/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 30 × 9 = 270,
20/30 = 20 × 9/30 × 9 = 180/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
45/54 = 45 × 5/54 × 5 = 225/270 - Add the two like fractions:
180/270 + 225/270 = 180 + 225/270 = 405/270 - 405/270 simplified gives 3/2
- So, 20/30 + 45/54 = 3/2
In mixed form: 11/2
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