Subtract 90/49 from 3/8
1st number: 3/8, 2nd number: 1 41/49
3/8 - 90/49 is -573/392.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 49 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 8 × 49 = 392,
3/8 = 3 × 49/8 × 49 = 147/392 - Likewise, for the 2nd fraction, since 49 × 8 = 392,
90/49 = 90 × 8/49 × 8 = 720/392 - Subtract the two like fractions:
147/392 - 720/392 = 147 - 720/392 = -573/392
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/8-90/49 3/16-90/49 3/8-90/98 9/8-90/49 3/24-90/49 15/8-90/49 3/40-90/49 21/8-90/49 3/56-90/49