Subtract 25/45 from 30/28
1st number: 1 2/28, 2nd number: 25/45
30/28 - 25/45 is 65/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 45 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 28 × 45 = 1260,
30/28 = 30 × 45/28 × 45 = 1350/1260 - Likewise, for the 2nd fraction, since 45 × 28 = 1260,
25/45 = 25 × 28/45 × 28 = 700/1260 - Subtract the two like fractions:
1350/1260 - 700/1260 = 1350 - 700/1260 = 650/1260 - After reducing the fraction, the answer is 65/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/28-25/45 30/28-50/45 30/56-25/45 30/28-25/90 90/28-25/45 30/28-75/45 30/84-25/45