Subtract 2/56 from 28/90
28/90 - 2/56 is 347/1260.
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,
28/90 = 28 × 28/90 × 28 = 784/2520 - Likewise, for the 2nd fraction, since 56 × 45 = 2520,
2/56 = 2 × 45/56 × 45 = 90/2520 - Subtract the two like fractions:
784/2520 - 90/2520 = 784 - 90/2520 = 694/2520 - After reducing the fraction, the answer is 347/1260
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/90-2/56 28/90-4/56 84/90-2/56 28/90-6/56 28/90-10/56 28/90-14/56