Add 20/35 and 18/54
20/35 + 18/54 is 19/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 54 is 1890
Next, find the equivalent fraction of both fractional numbers with denominator 1890 - For the 1st fraction, since 35 × 54 = 1890,
20/35 = 20 × 54/35 × 54 = 1080/1890 - Likewise, for the 2nd fraction, since 54 × 35 = 1890,
18/54 = 18 × 35/54 × 35 = 630/1890 - Add the two like fractions:
1080/1890 + 630/1890 = 1080 + 630/1890 = 1710/1890 - 1710/1890 simplified gives 19/21
- So, 20/35 + 18/54 = 19/21
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