Subtract 2/80 from 28/9, Solve 3 1/9

Subtract 2/80 from 28/9

1^st number: 3 1/9, 2^nd number: 2/80

28/9 - 2/80 is 1111/360.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 80 is 720

Next, find the equivalent fraction of both fractional numbers with denominator 720
For the 1st fraction, since 9 × 80 = 720,
28/9 = 28 × 80/9 × 80 = 2240/720
Likewise, for the 2nd fraction, since 80 × 9 = 720,
2/80 = 2 × 9/80 × 9 = 18/720
Subtract the two like fractions:
2240/720 - 18/720 = 2240 - 18/720 = 2222/720
After reducing the fraction, the answer is 1111/360
In mixed form: 331/360

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