Subtract 18/7 from 63/32
1st number: 1 31/32, 2nd number: 2 4/7
63/32 - 18/7 is -135/224.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 7 is 224
Next, find the equivalent fraction of both fractional numbers with denominator 224 - For the 1st fraction, since 32 × 7 = 224,
63/32 = 63 × 7/32 × 7 = 441/224 - Likewise, for the 2nd fraction, since 7 × 32 = 224,
18/7 = 18 × 32/7 × 32 = 576/224 - Subtract the two like fractions:
441/224 - 576/224 = 441 - 576/224 = -135/224
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/32-36/7 63/64-18/7 63/32-18/14 63/32-54/7 63/96-18/7 63/32-18/21 63/32-90/7 63/32-18/35 63/32-18/49