Add 30/54 and 20/45
30/54 + 20/45 is 1/1.
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,
30/54 = 30 × 5/54 × 5 = 150/270 - Likewise, for the 2nd fraction, since 45 × 6 = 270,
20/45 = 20 × 6/45 × 6 = 120/270 - Add the two like fractions:
150/270 + 120/270 = 150 + 120/270 = 270/270 - 270/270 simplified gives 1/1
- So, 30/54 + 20/45 = 1/1
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