Subtract 48/10 from 20/5
1st number: 4 0/5, 2nd number: 4 8/10
20/5 - 48/10 is -4/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 10 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 5 × 2 = 10,
20/5 = 20 × 2/5 × 2 = 40/10 - Likewise, for the 2nd fraction, since 10 × 1 = 10,
48/10 = 48 × 1/10 × 1 = 48/10 - Subtract the two like fractions:
40/10 - 48/10 = 40 - 48/10 = -8/10 - After reducing the fraction, the answer is -4/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/5-48/10 20/5-96/10 20/10-48/10 20/5-48/20 60/5-48/10 20/15-48/10 20/5-48/30 20/25-48/10 20/5-48/50 20/35-48/10 20/5-48/70