Subtract 25/49 from 9/45
9/45 - 25/49 is -76/245.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 49 is 2205
Next, find the equivalent fraction of both fractional numbers with denominator 2205 - For the 1st fraction, since 45 × 49 = 2205,
9/45 = 9 × 49/45 × 49 = 441/2205 - Likewise, for the 2nd fraction, since 49 × 45 = 2205,
25/49 = 25 × 45/49 × 45 = 1125/2205 - Subtract the two like fractions:
441/2205 - 1125/2205 = 441 - 1125/2205 = -684/2205 - After reducing the fraction, the answer is -76/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/45-25/49 9/45-50/49 9/90-25/49 9/45-25/98 27/45-25/49 9/45-75/49 63/45-25/49