Solutions by everydaycalculation.com

1^{st} number: 2 10/30, 2^{nd} number: 4 5/10

7030 - 4510 is -136.

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

LCM of 30 and 10 is**30**

Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,

7030 = 70 × 130 × 1 = 7030 - Likewise, for the 2nd fraction, since 10 × 3 = 30,

4510 = 45 × 310 × 3 = 13530 - Subtract the two like fractions:

7030 - 13530 = 70 - 13530 = -6530 - After reducing the fraction, the answer is -136

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