Subtract 1/54 from 84/24, Solve 3 12/24

Subtract 1/54 from 84/24

1^st number: 3 12/24, 2^nd number: 1/54

84/24 - 1/54 is 94/27.

Find the least common denominator or LCM of the two denominators:
LCM of 24 and 54 is 216

Next, find the equivalent fraction of both fractional numbers with denominator 216
For the 1st fraction, since 24 × 9 = 216,
84/24 = 84 × 9/24 × 9 = 756/216
Likewise, for the 2nd fraction, since 54 × 4 = 216,
1/54 = 1 × 4/54 × 4 = 4/216
Subtract the two like fractions:
756/216 - 4/216 = 756 - 4/216 = 752/216
After reducing the fraction, the answer is 94/27
In mixed form: 313/27

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad