Subtract 8/49 from 21/16
1st number: 1 5/16, 2nd number: 8/49
21/16 - 8/49 is 901/784.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 49 is 784
Next, find the equivalent fraction of both fractional numbers with denominator 784 - For the 1st fraction, since 16 × 49 = 784,
21/16 = 21 × 49/16 × 49 = 1029/784 - Likewise, for the 2nd fraction, since 49 × 16 = 784,
8/49 = 8 × 16/49 × 16 = 128/784 - Subtract the two like fractions:
1029/784 - 128/784 = 1029 - 128/784 = 901/784 - In mixed form: 1117/784
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/16-8/49 21/16-16/49 21/32-8/49 21/16-8/98 63/16-8/49 21/16-24/49 21/48-8/49 21/16-40/49 21/80-8/49 21/16-56/49