Subtract 20/16 from 1/27
1st number: 1/27, 2nd number: 1 4/16
1/27 - 20/16 is -131/108.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 16 is 432
Next, find the equivalent fraction of both fractional numbers with denominator 432 - For the 1st fraction, since 27 × 16 = 432,
1/27 = 1 × 16/27 × 16 = 16/432 - Likewise, for the 2nd fraction, since 16 × 27 = 432,
20/16 = 20 × 27/16 × 27 = 540/432 - Subtract the two like fractions:
16/432 - 540/432 = 16 - 540/432 = -524/432 - After reducing the fraction, the answer is -131/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/27-20/16 1/27-40/16 1/54-20/16 1/27-20/32 3/27-20/16 1/27-60/16 1/81-20/16 1/27-20/48 5/27-20/16 1/27-20/80 7/27-20/16