Subtract 14/40 from 40/14, Solve 2 12/14

Subtract 14/40 from 40/14

1^st number: 2 12/14, 2^nd number: 14/40

40/14 - 14/40 is 351/140.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 40 is 280

Next, find the equivalent fraction of both fractional numbers with denominator 280
For the 1st fraction, since 14 × 20 = 280,
40/14 = 40 × 20/14 × 20 = 800/280
Likewise, for the 2nd fraction, since 40 × 7 = 280,
14/40 = 14 × 7/40 × 7 = 98/280
Subtract the two like fractions:
800/280 - 98/280 = 800 - 98/280 = 702/280
After reducing the fraction, the answer is 351/140
In mixed form: 271/140

MathStep (Works offline)

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