Add 30/45 and 20/54
30/45 + 20/54 is 28/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 45 × 6 = 270,
30/45 = 30 × 6/45 × 6 = 180/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
20/54 = 20 × 5/54 × 5 = 100/270 - Add the two like fractions:
180/270 + 100/270 = 180 + 100/270 = 280/270 - 280/270 simplified gives 28/27
- So, 30/45 + 20/54 = 28/27
In mixed form: 11/27
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