Subtract 7/16 from 45/63
45/63 - 7/16 is 31/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 16 is 1008
Next, find the equivalent fraction of both fractional numbers with denominator 1008 - For the 1st fraction, since 63 × 16 = 1008,
45/63 = 45 × 16/63 × 16 = 720/1008 - Likewise, for the 2nd fraction, since 16 × 63 = 1008,
7/16 = 7 × 63/16 × 63 = 441/1008 - Subtract the two like fractions:
720/1008 - 441/1008 = 720 - 441/1008 = 279/1008 - After reducing the fraction, the answer is 31/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/63-7/16 45/63-14/16 45/63-7/32 45/63-21/16 45/63-7/48 45/63-35/16 45/63-7/80 45/63-49/16