Subtract 40/54 from 3/16
3/16 - 40/54 is -239/432.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 54 is 432
Next, find the equivalent fraction of both fractional numbers with denominator 432 - For the 1st fraction, since 16 × 27 = 432,
3/16 = 3 × 27/16 × 27 = 81/432 - Likewise, for the 2nd fraction, since 54 × 8 = 432,
40/54 = 40 × 8/54 × 8 = 320/432 - Subtract the two like fractions:
81/432 - 320/432 = 81 - 320/432 = -239/432
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/16-40/54 3/16-80/54 3/32-40/54 9/16-40/54 3/48-40/54 15/16-40/54 3/80-40/54 21/16-40/54