Subtract 4/49 from 2/90
2/90 - 4/49 is -131/2205.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 49 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 90 × 49 = 4410,
2/90 = 2 × 49/90 × 49 = 98/4410 - Likewise, for the 2nd fraction, since 49 × 90 = 4410,
4/49 = 4 × 90/49 × 90 = 360/4410 - Subtract the two like fractions:
98/4410 - 360/4410 = 98 - 360/4410 = -262/4410 - After reducing the fraction, the answer is -131/2205
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/90-4/49 2/90-8/49 2/90-4/98 6/90-4/49 2/90-12/49 10/90-4/49 2/90-20/49 14/90-4/49 2/90-28/49