Subtract 15/90 from 5/49
5/49 - 15/90 is -19/294.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 90 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 49 × 90 = 4410,
5/49 = 5 × 90/49 × 90 = 450/4410 - Likewise, for the 2nd fraction, since 90 × 49 = 4410,
15/90 = 15 × 49/90 × 49 = 735/4410 - Subtract the two like fractions:
450/4410 - 735/4410 = 450 - 735/4410 = -285/4410 - After reducing the fraction, the answer is -19/294
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/49-15/90 5/49-30/90 5/98-15/90 15/49-15/90 5/49-45/90 25/49-15/90 5/49-75/90 35/49-15/90