Subtract 48/8 from 2/21
1st number: 2/21, 2nd number: 6 0/8
2/21 - 48/8 is -124/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 8 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 21 × 8 = 168,
2/21 = 2 × 8/21 × 8 = 16/168 - Likewise, for the 2nd fraction, since 8 × 21 = 168,
48/8 = 48 × 21/8 × 21 = 1008/168 - Subtract the two like fractions:
16/168 - 1008/168 = 16 - 1008/168 = -992/168 - After reducing the fraction, the answer is -124/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/21-48/8 2/21-96/8 2/42-48/8 2/21-48/16 6/21-48/8 2/63-48/8 2/21-48/24 10/21-48/8 2/21-48/40 14/21-48/8 2/21-48/56