Subtract 60/20 from 7/9
1st number: 7/9, 2nd number: 3 0/20
7/9 - 60/20 is -20/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 9 × 20 = 180,
7/9 = 7 × 20/9 × 20 = 140/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
60/20 = 60 × 9/20 × 9 = 540/180 - Subtract the two like fractions:
140/180 - 540/180 = 140 - 540/180 = -400/180 - After reducing the fraction, the answer is -20/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/9-60/20 7/18-60/20 7/9-60/40 21/9-60/20 7/27-60/20 35/9-60/20 7/45-60/20 49/9-60/20 7/63-60/20