Add 20/40 and 12/54
20/40 + 12/54 is 13/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 54 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 40 × 27 = 1080,
20/40 = 20 × 27/40 × 27 = 540/1080 - Likewise, for the 2nd fraction, since 54 × 20 = 1080,
12/54 = 12 × 20/54 × 20 = 240/1080 - Add the two like fractions:
540/1080 + 240/1080 = 540 + 240/1080 = 780/1080 - 780/1080 simplified gives 13/18
- So, 20/40 + 12/54 = 13/18
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