Subtract 25/60 from 3/45
3/45 - 25/60 is -7/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
3/45 = 3 × 4/45 × 4 = 12/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
25/60 = 25 × 3/60 × 3 = 75/180 - Subtract the two like fractions:
12/180 - 75/180 = 12 - 75/180 = -63/180 - After reducing the fraction, the answer is -7/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/45-25/60 3/45-50/60 3/90-25/60 9/45-25/60 3/45-75/60 15/45-25/60 21/45-25/60