Add 3/80 and 63/54, Solve 3/80 + 1 9/54 as a fraction

Add 3/80 and 63/54

1^st number: 3/80, 2^nd number: 1 9/54

3/80 + 63/54 is 289/240.

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,
3/80 = 3 × 27/80 × 27 = 81/2160
Likewise, for the 2nd fraction, since 54 × 40 = 2160,
63/54 = 63 × 40/54 × 40 = 2520/2160
Add the two like fractions:
81/2160 + 2520/2160 = 81 + 2520/2160 = 2601/2160
2601/2160 simplified gives 289/240
So, 3/80 + 63/54 = 289/240
In mixed form: 149/240

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