Subtract 50/21 from 35/12
1st number: 2 11/12, 2nd number: 2 8/21
35/12 - 50/21 is 15/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 21 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
35/12 = 35 × 7/12 × 7 = 245/84 - Likewise, for the 2nd fraction, since 21 × 4 = 84,
50/21 = 50 × 4/21 × 4 = 200/84 - Subtract the two like fractions:
245/84 - 200/84 = 245 - 200/84 = 45/84 - After reducing the fraction, the answer is 15/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/12-50/21 35/24-50/21 35/12-50/42 35/36-50/21 35/12-50/63 35/60-50/21 35/84-50/21