Subtract 24/21 from 1/10
1st number: 1/10, 2nd number: 1 3/21
1/10 - 24/21 is -73/70.
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,
1/10 = 1 × 21/10 × 21 = 21/210 - Likewise, for the 2nd fraction, since 21 × 10 = 210,
24/21 = 24 × 10/21 × 10 = 240/210 - Subtract the two like fractions:
21/210 - 240/210 = 21 - 240/210 = -219/210 - After reducing the fraction, the answer is -73/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/10-24/21 1/10-48/21 1/20-24/21 1/10-24/42 3/10-24/21 1/10-72/21 1/30-24/21 1/10-24/63 5/10-24/21 1/50-24/21 7/10-24/21 1/70-24/21