Subtract 4/40 from 14/6, Solve 2 2/6

Subtract 4/40 from 14/6

1^st number: 2 2/6, 2^nd number: 4/40

14/6 - 4/40 is 67/30.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 40 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 6 × 20 = 120,
14/6 = 14 × 20/6 × 20 = 280/120
Likewise, for the 2nd fraction, since 40 × 3 = 120,
4/40 = 4 × 3/40 × 3 = 12/120
Subtract the two like fractions:
280/120 - 12/120 = 280 - 12/120 = 268/120
After reducing the fraction, the answer is 67/30
In mixed form: 27/30

MathStep (Works offline)

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