Subtract 2/35 from 12/54, Solve 12/54

Subtract 2/35 from 12/54

12/54 - 2/35 is 52/315.

Find the least common denominator or LCM of the two denominators:
LCM of 54 and 35 is 1890

Next, find the equivalent fraction of both fractional numbers with denominator 1890
For the 1st fraction, since 54 × 35 = 1890,
12/54 = 12 × 35/54 × 35 = 420/1890
Likewise, for the 2nd fraction, since 35 × 54 = 1890,
2/35 = 2 × 54/35 × 54 = 108/1890
Subtract the two like fractions:
420/1890 - 108/1890 = 420 - 108/1890 = 312/1890
After reducing the fraction, the answer is 52/315

MathStep (Works offline)

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