Subtract 48/21 from 16/4
1st number: 4 0/4, 2nd number: 2 6/21
16/4 - 48/21 is 12/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 21 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 4 × 21 = 84,
16/4 = 16 × 21/4 × 21 = 336/84 - Likewise, for the 2nd fraction, since 21 × 4 = 84,
48/21 = 48 × 4/21 × 4 = 192/84 - Subtract the two like fractions:
336/84 - 192/84 = 336 - 192/84 = 144/84 - After reducing the fraction, the answer is 12/7
- In mixed form: 15/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/4-48/21 16/4-96/21 16/8-48/21 16/4-48/42 48/4-48/21 16/12-48/21 16/4-48/63 80/4-48/21 16/20-48/21 16/28-48/21