Subtract 40/16 from 49/63
1st number: 49/63, 2nd number: 2 8/16
49/63 - 40/16 is -31/18.
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,
49/63 = 49 × 16/63 × 16 = 784/1008 - Likewise, for the 2nd fraction, since 16 × 63 = 1008,
40/16 = 40 × 63/16 × 63 = 2520/1008 - Subtract the two like fractions:
784/1008 - 2520/1008 = 784 - 2520/1008 = -1736/1008 - After reducing the fraction, the answer is -31/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/63-40/16 49/63-80/16 49/63-40/32 49/63-40/48 49/63-40/80