Subtract 14/20 from 72/9
1st number: 8 0/9, 2nd number: 14/20
72/9 - 14/20 is 73/10.
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,
72/9 = 72 × 20/9 × 20 = 1440/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
14/20 = 14 × 9/20 × 9 = 126/180 - Subtract the two like fractions:
1440/180 - 126/180 = 1440 - 126/180 = 1314/180 - After reducing the fraction, the answer is 73/10
- In mixed form: 73/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/9-28/20 72/18-14/20 72/9-14/40 72/9-42/20 72/27-14/20 72/9-14/60 72/9-70/20 72/45-14/20 72/9-98/20 72/63-14/20