Subtract 27/8 from 90/14
1st number: 6 6/14, 2nd number: 3 3/8
90/14 - 27/8 is 171/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 14 × 4 = 56,
90/14 = 90 × 4/14 × 4 = 360/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
27/8 = 27 × 7/8 × 7 = 189/56 - Subtract the two like fractions:
360/56 - 189/56 = 360 - 189/56 = 171/56 - In mixed form: 33/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/14-54/8 90/28-27/8 90/14-27/16 90/14-81/8 90/42-27/8 90/14-27/24 90/70-27/8 90/14-27/40 90/98-27/8 90/14-27/56