Add 18/54 and 20/45
18/54 + 20/45 is 7/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 45 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
18/54 = 18 × 5/54 × 5 = 90/270 - Likewise, for the 2nd fraction, since 45 × 6 = 270,
20/45 = 20 × 6/45 × 6 = 120/270 - Add the two like fractions:
90/270 + 120/270 = 90 + 120/270 = 210/270 - 210/270 simplified gives 7/9
- So, 18/54 + 20/45 = 7/9
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