Add 18/54 and 63/80
18/54 + 63/80 is 269/240.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 80 is 2160
Next, find the equivalent fraction of both fractional numbers with denominator 2160 - For the 1st fraction, since 54 × 40 = 2160,
18/54 = 18 × 40/54 × 40 = 720/2160 - Likewise, for the 2nd fraction, since 80 × 27 = 2160,
63/80 = 63 × 27/80 × 27 = 1701/2160 - Add the two like fractions:
720/2160 + 1701/2160 = 720 + 1701/2160 = 2421/2160 - 2421/2160 simplified gives 269/240
- So, 18/54 + 63/80 = 269/240
In mixed form: 129/240
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