Subtract 90/25 from 4/84
1st number: 4/84, 2nd number: 3 15/25
4/84 - 90/25 is -373/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 25 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 84 × 25 = 2100,
4/84 = 4 × 25/84 × 25 = 100/2100 - Likewise, for the 2nd fraction, since 25 × 84 = 2100,
90/25 = 90 × 84/25 × 84 = 7560/2100 - Subtract the two like fractions:
100/2100 - 7560/2100 = 100 - 7560/2100 = -7460/2100 - After reducing the fraction, the answer is -373/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/84-90/25 4/84-90/50 12/84-90/25 4/84-90/75 20/84-90/25 28/84-90/25