Subtract 5/40 from 25/84
25/84 - 5/40 is 29/168.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 40 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 84 × 10 = 840,
25/84 = 25 × 10/84 × 10 = 250/840 - Likewise, for the 2nd fraction, since 40 × 21 = 840,
5/40 = 5 × 21/40 × 21 = 105/840 - Subtract the two like fractions:
250/840 - 105/840 = 250 - 105/840 = 145/840 - After reducing the fraction, the answer is 29/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/84-5/40 25/84-10/40 25/84-5/80 75/84-5/40 25/84-15/40 25/84-25/40 25/84-35/40