Subtract 21/48 from 70/8
1st number: 8 6/8, 2nd number: 21/48
70/8 - 21/48 is 133/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 48 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 8 × 6 = 48,
70/8 = 70 × 6/8 × 6 = 420/48 - Likewise, for the 2nd fraction, since 48 × 1 = 48,
21/48 = 21 × 1/48 × 1 = 21/48 - Subtract the two like fractions:
420/48 - 21/48 = 420 - 21/48 = 399/48 - After reducing the fraction, the answer is 133/16
- In mixed form: 85/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/8-42/48 70/16-21/48 70/8-21/96 70/8-63/48 70/24-21/48 70/40-21/48 70/56-21/48