Subtract 2/28 from 28/45
28/45 - 2/28 is 347/630.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 28 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 45 × 28 = 1260,
28/45 = 28 × 28/45 × 28 = 784/1260 - Likewise, for the 2nd fraction, since 28 × 45 = 1260,
2/28 = 2 × 45/28 × 45 = 90/1260 - Subtract the two like fractions:
784/1260 - 90/1260 = 784 - 90/1260 = 694/1260 - After reducing the fraction, the answer is 347/630
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/45-2/28 28/45-4/28 28/90-2/28 28/45-2/56 84/45-2/28 28/45-6/28 28/45-2/84 28/45-10/28 28/45-14/28