Subtract 84/10 from 50/20
1st number: 2 10/20, 2nd number: 8 4/10
50/20 - 84/10 is -59/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 10 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
50/20 = 50 × 1/20 × 1 = 50/20 - Likewise, for the 2nd fraction, since 10 × 2 = 20,
84/10 = 84 × 2/10 × 2 = 168/20 - Subtract the two like fractions:
50/20 - 168/20 = 50 - 168/20 = -118/20 - After reducing the fraction, the answer is -59/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/40-84/10 50/20-84/20 50/60-84/10 50/20-84/30 50/20-84/50 50/20-84/70