Subtract 2/10 from 25/40
25/40 - 2/10 is 17/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 10 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
25/40 = 25 × 1/40 × 1 = 25/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
2/10 = 2 × 4/10 × 4 = 8/40 - Subtract the two like fractions:
25/40 - 8/40 = 25 - 8/40 = 17/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/40-2/10 25/40-4/10 25/80-2/10 25/40-2/20 75/40-2/10 25/40-6/10 25/40-2/30 25/40-2/50 25/40-14/10 25/40-2/70