Subtract 2/28 from 20/25
20/25 - 2/28 is 51/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 28 is 700
Next, find the equivalent fraction of both fractional numbers with denominator 700 - For the 1st fraction, since 25 × 28 = 700,
20/25 = 20 × 28/25 × 28 = 560/700 - Likewise, for the 2nd fraction, since 28 × 25 = 700,
2/28 = 2 × 25/28 × 25 = 50/700 - Subtract the two like fractions:
560/700 - 50/700 = 560 - 50/700 = 510/700 - After reducing the fraction, the answer is 51/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/25-2/28 20/25-4/28 20/50-2/28 20/25-2/56 60/25-2/28 20/25-6/28 20/75-2/28 20/25-2/84 20/25-10/28 20/25-14/28