Subtract 3/8 from 9/49
9/49 - 3/8 is -75/392.
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,
9/49 = 9 × 8/49 × 8 = 72/392 - Likewise, for the 2nd fraction, since 8 × 49 = 392,
3/8 = 3 × 49/8 × 49 = 147/392 - Subtract the two like fractions:
72/392 - 147/392 = 72 - 147/392 = -75/392
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/49-3/8 9/49-6/8 9/98-3/8 9/49-3/16 27/49-3/8 9/49-9/8 9/49-3/24 45/49-3/8 9/49-15/8 9/49-3/40 63/49-3/8 9/49-21/8 9/49-3/56