Subtract 60/36 from 30/20
1st number: 1 10/20, 2nd number: 1 24/36
30/20 - 60/36 is -1/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
30/20 = 30 × 9/20 × 9 = 270/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
60/36 = 60 × 5/36 × 5 = 300/180 - Subtract the two like fractions:
270/180 - 300/180 = 270 - 300/180 = -30/180 - After reducing the fraction, the answer is -1/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/20-60/36 30/40-60/36 30/20-60/72 90/20-60/36 30/60-60/36