Subtract 7/8 from 9/49
9/49 - 7/8 is -271/392.
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,
7/8 = 7 × 49/8 × 49 = 343/392 - Subtract the two like fractions:
72/392 - 343/392 = 72 - 343/392 = -271/392
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/49-7/8 9/49-14/8 9/98-7/8 9/49-7/16 27/49-7/8 9/49-21/8 9/49-7/24 45/49-7/8 9/49-35/8 9/49-7/40 63/49-7/8 9/49-49/8 9/49-7/56