Subtract 21/12 from 70/24
1st number: 2 22/24, 2nd number: 1 9/12
70/24 - 21/12 is 7/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 12 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 24 × 1 = 24,
70/24 = 70 × 1/24 × 1 = 70/24 - Likewise, for the 2nd fraction, since 12 × 2 = 24,
21/12 = 21 × 2/12 × 2 = 42/24 - Subtract the two like fractions:
70/24 - 42/24 = 70 - 42/24 = 28/24 - After reducing the fraction, the answer is 7/6
- In mixed form: 11/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/24-42/12 70/48-21/12 70/24-21/24 70/24-63/12 70/72-21/12 70/24-21/36 70/24-21/60 70/24-21/84