Subtract 25/8 from 8/49
1st number: 8/49, 2nd number: 3 1/8
8/49 - 25/8 is -1161/392.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 8 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 49 × 8 = 392,
8/49 = 8 × 8/49 × 8 = 64/392 - Likewise, for the 2nd fraction, since 8 × 49 = 392,
25/8 = 25 × 49/8 × 49 = 1225/392 - Subtract the two like fractions:
64/392 - 1225/392 = 64 - 1225/392 = -1161/392
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/49-25/8 8/49-50/8 8/98-25/8 8/49-25/16 24/49-25/8 8/49-75/8 8/49-25/24 40/49-25/8 8/49-25/40 56/49-25/8 8/49-25/56