Add 28/54 and 3/40
28/54 + 3/40 is 641/1080.
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,
3/40 = 3 × 27/40 × 27 = 81/1080 - Add the two like fractions:
560/1080 + 81/1080 = 560 + 81/1080 = 641/1080 - So, 28/54 + 3/40 = 641/1080
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