Subtract 3/10 from 25/45
25/45 - 3/10 is 23/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
25/45 = 25 × 2/45 × 2 = 50/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
3/10 = 3 × 9/10 × 9 = 27/90 - Subtract the two like fractions:
50/90 - 27/90 = 50 - 27/90 = 23/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/45-3/10 25/45-6/10 25/90-3/10 25/45-3/20 75/45-3/10 25/45-9/10 25/45-3/30 25/45-15/10 25/45-3/50 25/45-21/10 25/45-3/70