Add 54/80 and 27/7, Solve 54/80 + 3 6/7 as a fraction

Add 54/80 and 27/7

1^st number: 54/80, 2^nd number: 3 6/7

54/80 + 27/7 is 1269/280.

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 7 is 560

Next, find the equivalent fraction of both fractional numbers with denominator 560
For the 1st fraction, since 80 × 7 = 560,
54/80 = 54 × 7/80 × 7 = 378/560
Likewise, for the 2nd fraction, since 7 × 80 = 560,
27/7 = 27 × 80/7 × 80 = 2160/560
Add the two like fractions:
378/560 + 2160/560 = 378 + 2160/560 = 2538/560
2538/560 simplified gives 1269/280
So, 54/80 + 27/7 = 1269/280
In mixed form: 4149/280

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