Subtract 18/32 from 9/49
9/49 - 18/32 is -297/784.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 32 is 1568
Next, find the equivalent fraction of both fractional numbers with denominator 1568 - For the 1st fraction, since 49 × 32 = 1568,
9/49 = 9 × 32/49 × 32 = 288/1568 - Likewise, for the 2nd fraction, since 32 × 49 = 1568,
18/32 = 18 × 49/32 × 49 = 882/1568 - Subtract the two like fractions:
288/1568 - 882/1568 = 288 - 882/1568 = -594/1568 - After reducing the fraction, the answer is -297/784
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/49-18/32 9/49-36/32 9/98-18/32 9/49-18/64 27/49-18/32 9/49-54/32 9/49-18/96 45/49-18/32 9/49-90/32 63/49-18/32