Subtract 25/45 from 3/4
3/4 - 25/45 is 7/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 4 × 45 = 180,
3/4 = 3 × 45/4 × 45 = 135/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
25/45 = 25 × 4/45 × 4 = 100/180 - Subtract the two like fractions:
135/180 - 100/180 = 135 - 100/180 = 35/180 - After reducing the fraction, the answer is 7/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/4-25/45 3/4-50/45 3/8-25/45 3/4-25/90 9/4-25/45 3/4-75/45 3/12-25/45 15/4-25/45 3/20-25/45 21/4-25/45 3/28-25/45