Subtract 14/56 from 4/90
4/90 - 14/56 is -37/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 56 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 90 × 28 = 2520,
4/90 = 4 × 28/90 × 28 = 112/2520 - Likewise, for the 2nd fraction, since 56 × 45 = 2520,
14/56 = 14 × 45/56 × 45 = 630/2520 - Subtract the two like fractions:
112/2520 - 630/2520 = 112 - 630/2520 = -518/2520 - After reducing the fraction, the answer is -37/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/90-14/56 4/90-28/56 12/90-14/56 4/90-42/56 20/90-14/56 4/90-70/56 28/90-14/56 4/90-98/56