Subtract 6/72 from 16/9
1st number: 1 7/9, 2nd number: 6/72
16/9 - 6/72 is 61/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
16/9 = 16 × 8/9 × 8 = 128/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
6/72 = 6 × 1/72 × 1 = 6/72 - Subtract the two like fractions:
128/72 - 6/72 = 128 - 6/72 = 122/72 - After reducing the fraction, the answer is 61/36
- In mixed form: 125/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/9-6/72 16/9-12/72 16/18-6/72 48/9-6/72 16/9-18/72 16/27-6/72 80/9-6/72 16/9-30/72 16/45-6/72 16/9-42/72 16/63-6/72