Subtract 60/20 from 9/10
1st number: 9/10, 2nd number: 3 0/20
9/10 - 60/20 is -21/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 10 × 2 = 20,
9/10 = 9 × 2/10 × 2 = 18/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
60/20 = 60 × 1/20 × 1 = 60/20 - Subtract the two like fractions:
18/20 - 60/20 = 18 - 60/20 = -42/20 - After reducing the fraction, the answer is -21/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/10-60/20 9/20-60/20 9/10-60/40 27/10-60/20 9/30-60/20 45/10-60/20 9/50-60/20 63/10-60/20 9/70-60/20