Subtract 28/80 from 20/6, Solve 3 2/6

Subtract 28/80 from 20/6

1^st number: 3 2/6, 2^nd number: 28/80

20/6 - 28/80 is 179/60.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 80 is 240

Next, find the equivalent fraction of both fractional numbers with denominator 240
For the 1st fraction, since 6 × 40 = 240,
20/6 = 20 × 40/6 × 40 = 800/240
Likewise, for the 2nd fraction, since 80 × 3 = 240,
28/80 = 28 × 3/80 × 3 = 84/240
Subtract the two like fractions:
800/240 - 84/240 = 800 - 84/240 = 716/240
After reducing the fraction, the answer is 179/60
In mixed form: 259/60

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