Solutions by everydaycalculation.com

736 - 221 is 25252.

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

LCM of 36 and 21 is**252**

Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,

736 = 7 × 736 × 7 = 49252 - Likewise, for the 2nd fraction, since 21 × 12 = 252,

221 = 2 × 1221 × 12 = 24252 - Subtract the two like fractions:

49252 - 24252 = 49 - 24252 = 25252

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