Solutions by everydaycalculation.com

1^{st} number: 3 1/2, 2^{nd} number: 1 5/70

72 - 7570 is 177.

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

LCM of 2 and 70 is**70**

Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 2 × 35 = 70,

72 = 7 × 352 × 35 = 24570 - Likewise, for the 2nd fraction, since 70 × 1 = 70,

7570 = 75 × 170 × 1 = 7570 - Subtract the two like fractions:

24570 - 7570 = 245 - 7570 = 17070 - After reducing the fraction, the answer is 177
- In mixed form: 237

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