Solutions by everydaycalculation.com

1^{st} number: 40/45, 2^{nd} number: 1 5/40

4045 + 4540 is 14572.

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

LCM of 45 and 40 is**360**

Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,

4045 = 40 × 845 × 8 = 320360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,

4540 = 45 × 940 × 9 = 405360 - Add the two like fractions:

320360 + 405360 = 320 + 405360 = 725360 - 725/360 simplified gives 14572
- So, 40/45 + 45/40 = 145/72

In mixed form: 2172

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