Add 28/80 and 49/54
28/80 + 49/54 is 679/540.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 54 is 2160
Next, find the equivalent fraction of both fractional numbers with denominator 2160 - For the 1st fraction, since 80 × 27 = 2160,
28/80 = 28 × 27/80 × 27 = 756/2160 - Likewise, for the 2nd fraction, since 54 × 40 = 2160,
49/54 = 49 × 40/54 × 40 = 1960/2160 - Add the two like fractions:
756/2160 + 1960/2160 = 756 + 1960/2160 = 2716/2160 - 2716/2160 simplified gives 679/540
- So, 28/80 + 49/54 = 679/540
In mixed form: 1139/540
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