Subtract 35/21 from 70/10
1st number: 7 0/10, 2nd number: 1 14/21
70/10 - 35/21 is 16/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 21 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 10 × 21 = 210,
70/10 = 70 × 21/10 × 21 = 1470/210 - Likewise, for the 2nd fraction, since 21 × 10 = 210,
35/21 = 35 × 10/21 × 10 = 350/210 - Subtract the two like fractions:
1470/210 - 350/210 = 1470 - 350/210 = 1120/210 - After reducing the fraction, the answer is 16/3
- In mixed form: 51/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/10-70/21 70/20-35/21 70/10-35/42 70/30-35/21 70/10-35/63 70/50-35/21