Solutions by everydaycalculation.com

1^{st} number: 1 17/18, 2^{nd} number: 3/21

3518 - 321 is 227126.

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

LCM of 18 and 21 is**126**

Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,

3518 = 35 × 718 × 7 = 245126 - Likewise, for the 2nd fraction, since 21 × 6 = 126,

321 = 3 × 621 × 6 = 18126 - Subtract the two like fractions:

245126 - 18126 = 245 - 18126 = 227126 - In mixed form: 1101126

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