Subtract 2/63 from 21/16
1st number: 1 5/16, 2nd number: 2/63
21/16 - 2/63 is 1291/1008.
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,
21/16 = 21 × 63/16 × 63 = 1323/1008 - Likewise, for the 2nd fraction, since 63 × 16 = 1008,
2/63 = 2 × 16/63 × 16 = 32/1008 - Subtract the two like fractions:
1323/1008 - 32/1008 = 1323 - 32/1008 = 1291/1008 - In mixed form: 1283/1008
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/16-2/63 21/16-4/63 21/32-2/63 63/16-2/63 21/16-6/63 21/48-2/63 21/16-10/63 21/80-2/63 21/16-14/63