Subtract 21/70 from 24/8
1st number: 3 0/8, 2nd number: 21/70
24/8 - 21/70 is 27/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 8 × 35 = 280,
24/8 = 24 × 35/8 × 35 = 840/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
21/70 = 21 × 4/70 × 4 = 84/280 - Subtract the two like fractions:
840/280 - 84/280 = 840 - 84/280 = 756/280 - After reducing the fraction, the answer is 27/10
- In mixed form: 27/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/8-21/70 24/8-42/70 24/16-21/70 72/8-21/70 24/8-63/70 24/40-21/70 24/56-21/70