Solutions by everydaycalculation.com

1^{st} number: 40/54, 2^{nd} number: 1 7/20

4054 + 2720 is 1129540.

- Find the least common denominator or LCM of the two denominators:

LCM of 54 and 20 is**540**

Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 54 × 10 = 540,

4054 = 40 × 1054 × 10 = 400540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,

2720 = 27 × 2720 × 27 = 729540 - Add the two like fractions:

400540 + 729540 = 400 + 729540 = 1129540 - So, 40/54 + 27/20 = 1129/540

In mixed form: 249540

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