Add 27/28 and 54/80
27/28 + 54/80 is 459/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 28 × 20 = 560,
27/28 = 27 × 20/28 × 20 = 540/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
54/80 = 54 × 7/80 × 7 = 378/560 - Add the two like fractions:
540/560 + 378/560 = 540 + 378/560 = 918/560 - 918/560 simplified gives 459/280
- So, 27/28 + 54/80 = 459/280
In mixed form: 1179/280
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