Subtract 70/16 from 21/48
1st number: 21/48, 2nd number: 4 6/16
21/48 - 70/16 is -63/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 16 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 48 × 1 = 48,
21/48 = 21 × 1/48 × 1 = 21/48 - Likewise, for the 2nd fraction, since 16 × 3 = 48,
70/16 = 70 × 3/16 × 3 = 210/48 - Subtract the two like fractions:
21/48 - 210/48 = 21 - 210/48 = -189/48 - After reducing the fraction, the answer is -63/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/48-70/16 21/96-70/16 21/48-70/32 63/48-70/16 21/48-70/48 21/48-70/80