Solutions by everydaycalculation.com

1^{st} number: 1 7/35, 2^{nd} number: 20/21

4235 - 2021 is 26105.

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

LCM of 35 and 21 is**105**

Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 35 × 3 = 105,

4235 = 42 × 335 × 3 = 126105 - Likewise, for the 2nd fraction, since 21 × 5 = 105,

2021 = 20 × 521 × 5 = 100105 - Subtract the two like fractions:

126105 - 100105 = 126 - 100105 = 26105

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