Subtract 30/10 from 60/40
1st number: 1 20/40, 2nd number: 3 0/10
60/40 - 30/10 is -3/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 10 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
60/40 = 60 × 1/40 × 1 = 60/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
30/10 = 30 × 4/10 × 4 = 120/40 - Subtract the two like fractions:
60/40 - 120/40 = 60 - 120/40 = -60/40 - After reducing the fraction, the answer is -3/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/40-60/10 60/80-30/10 60/40-30/20 60/40-90/10 60/40-30/50 60/40-30/70