Subtract 70/3 from 21/16
1st number: 1 5/16, 2nd number: 23 1/3
21/16 - 70/3 is -1057/48.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 3 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 16 × 3 = 48,
21/16 = 21 × 3/16 × 3 = 63/48 - Likewise, for the 2nd fraction, since 3 × 16 = 48,
70/3 = 70 × 16/3 × 16 = 1120/48 - Subtract the two like fractions:
63/48 - 1120/48 = 63 - 1120/48 = -1057/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/16-70/3 21/32-70/3 21/16-70/6 63/16-70/3 21/48-70/3 21/16-70/9 21/80-70/3 21/16-70/15 21/16-70/21