Subtract 25/84 from 90/25
1st number: 3 15/25, 2nd number: 25/84
90/25 - 25/84 is 1387/420.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 84 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 25 × 84 = 2100,
90/25 = 90 × 84/25 × 84 = 7560/2100 - Likewise, for the 2nd fraction, since 84 × 25 = 2100,
25/84 = 25 × 25/84 × 25 = 625/2100 - Subtract the two like fractions:
7560/2100 - 625/2100 = 7560 - 625/2100 = 6935/2100 - After reducing the fraction, the answer is 1387/420
- In mixed form: 3127/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/25-50/84 90/50-25/84 90/25-75/84 90/75-25/84