Subtract 45/25 from 12/14, Solve 12/14

Subtract 45/25 from 12/14

1^st number: 12/14, 2^nd number: 1 20/25

12/14 - 45/25 is -33/35.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 25 is 350

Next, find the equivalent fraction of both fractional numbers with denominator 350
For the 1st fraction, since 14 × 25 = 350,
12/14 = 12 × 25/14 × 25 = 300/350
Likewise, for the 2nd fraction, since 25 × 14 = 350,
45/25 = 45 × 14/25 × 14 = 630/350
Subtract the two like fractions:
300/350 - 630/350 = 300 - 630/350 = -330/350
After reducing the fraction, the answer is -33/35

MathStep (Works offline)

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