Subtract 90/45 from 1/49
1st number: 1/49, 2nd number: 2 0/45
1/49 - 90/45 is -97/49.
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,
1/49 = 1 × 45/49 × 45 = 45/2205 - Likewise, for the 2nd fraction, since 45 × 49 = 2205,
90/45 = 90 × 49/45 × 49 = 4410/2205 - Subtract the two like fractions:
45/2205 - 4410/2205 = 45 - 4410/2205 = -4365/2205 - After reducing the fraction, the answer is -97/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/49-90/45 1/98-90/45 3/49-90/45 5/49-90/45 7/49-90/45