Solutions by everydaycalculation.com

1^{st} number: 1 3/18, 2^{nd} number: 1/63

2118 - 163 is 145126.

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

LCM of 18 and 63 is**126**

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

2118 = 21 × 718 × 7 = 147126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,

163 = 1 × 263 × 2 = 2126 - Subtract the two like fractions:

147126 - 2126 = 147 - 2126 = 145126 - In mixed form: 119126

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