Subtract 9/45 from 16/49
16/49 - 9/45 is 31/245.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 45 is 2205
Next, find the equivalent fraction of both fractional numbers with denominator 2205 - For the 1st fraction, since 49 × 45 = 2205,
16/49 = 16 × 45/49 × 45 = 720/2205 - Likewise, for the 2nd fraction, since 45 × 49 = 2205,
9/45 = 9 × 49/45 × 49 = 441/2205 - Subtract the two like fractions:
720/2205 - 441/2205 = 720 - 441/2205 = 279/2205 - After reducing the fraction, the answer is 31/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/49-9/45 16/49-18/45 16/98-9/45 16/49-9/90 48/49-9/45 16/49-27/45 80/49-9/45 16/49-63/45