Solutions by everydaycalculation.com

1^{st} number: 1 5/45, 2^{nd} number: 21/30

5045 - 2130 is 3790.

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

LCM of 45 and 30 is**90**

Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,

5045 = 50 × 245 × 2 = 10090 - Likewise, for the 2nd fraction, since 30 × 3 = 90,

2130 = 21 × 330 × 3 = 6390 - Subtract the two like fractions:

10090 - 6390 = 100 - 6390 = 3790

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