Subtract 25/45 from 75/84
75/84 - 25/45 is 85/252.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 45 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 84 × 15 = 1260,
75/84 = 75 × 15/84 × 15 = 1125/1260 - Likewise, for the 2nd fraction, since 45 × 28 = 1260,
25/45 = 25 × 28/45 × 28 = 700/1260 - Subtract the two like fractions:
1125/1260 - 700/1260 = 1125 - 700/1260 = 425/1260 - After reducing the fraction, the answer is 85/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/84-50/45 75/84-25/90 75/84-75/45