Subtract 14/8 from 27/90
1st number: 27/90, 2nd number: 1 6/8
27/90 - 14/8 is -29/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 8 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
27/90 = 27 × 4/90 × 4 = 108/360 - Likewise, for the 2nd fraction, since 8 × 45 = 360,
14/8 = 14 × 45/8 × 45 = 630/360 - Subtract the two like fractions:
108/360 - 630/360 = 108 - 630/360 = -522/360 - After reducing the fraction, the answer is -29/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/90-14/8 27/90-28/8 27/90-14/16 81/90-14/8 27/90-42/8 27/90-14/24 27/90-70/8 27/90-14/40 27/90-98/8 27/90-14/56