Solutions by everydaycalculation.com

1^{st} number: 2 0/20, 2^{nd} number: 1 28/35

4020 - 6335 is 15.

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

LCM of 20 and 35 is**140**

Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,

4020 = 40 × 720 × 7 = 280140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,

6335 = 63 × 435 × 4 = 252140 - Subtract the two like fractions:

280140 - 252140 = 280 - 252140 = 28140 - After reducing the fraction, the answer is 15

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