Subtract 16/27 from 84/72
1st number: 1 12/72, 2nd number: 16/27
84/72 - 16/27 is 31/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 27 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 72 × 3 = 216,
84/72 = 84 × 3/72 × 3 = 252/216 - Likewise, for the 2nd fraction, since 27 × 8 = 216,
16/27 = 16 × 8/27 × 8 = 128/216 - Subtract the two like fractions:
252/216 - 128/216 = 252 - 128/216 = 124/216 - After reducing the fraction, the answer is 31/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/72-32/27 84/72-16/54 84/72-48/27 84/72-16/81 84/72-80/27