Subtract 84/10 from 20/24
1st number: 20/24, 2nd number: 8 4/10
20/24 - 84/10 is -227/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 10 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 24 × 5 = 120,
20/24 = 20 × 5/24 × 5 = 100/120 - Likewise, for the 2nd fraction, since 10 × 12 = 120,
84/10 = 84 × 12/10 × 12 = 1008/120 - Subtract the two like fractions:
100/120 - 1008/120 = 100 - 1008/120 = -908/120 - After reducing the fraction, the answer is -227/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/24-84/10 20/48-84/10 20/24-84/20 60/24-84/10 20/72-84/10 20/24-84/30 20/24-84/50 20/24-84/70