Subtract 42/63 from 18/16
1st number: 1 2/16, 2nd number: 42/63
18/16 - 42/63 is 11/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 63 is 1008
Next, find the equivalent fraction of both fractional numbers with denominator 1008 - For the 1st fraction, since 16 × 63 = 1008,
18/16 = 18 × 63/16 × 63 = 1134/1008 - Likewise, for the 2nd fraction, since 63 × 16 = 1008,
42/63 = 42 × 16/63 × 16 = 672/1008 - Subtract the two like fractions:
1134/1008 - 672/1008 = 1134 - 672/1008 = 462/1008 - After reducing the fraction, the answer is 11/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/16-42/63 18/16-84/63 18/32-42/63 54/16-42/63 18/48-42/63 90/16-42/63 18/80-42/63