Add 28/54 and 18/40
28/54 + 18/40 is 523/540.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 40 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 54 × 20 = 1080,
28/54 = 28 × 20/54 × 20 = 560/1080 - Likewise, for the 2nd fraction, since 40 × 27 = 1080,
18/40 = 18 × 27/40 × 27 = 486/1080 - Add the two like fractions:
560/1080 + 486/1080 = 560 + 486/1080 = 1046/1080 - 1046/1080 simplified gives 523/540
- So, 28/54 + 18/40 = 523/540
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