Subtract 16/81 from 45/60
45/60 - 16/81 is 179/324.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 81 is 1620
Next, find the equivalent fraction of both fractional numbers with denominator 1620 - For the 1st fraction, since 60 × 27 = 1620,
45/60 = 45 × 27/60 × 27 = 1215/1620 - Likewise, for the 2nd fraction, since 81 × 20 = 1620,
16/81 = 16 × 20/81 × 20 = 320/1620 - Subtract the two like fractions:
1215/1620 - 320/1620 = 1215 - 320/1620 = 895/1620 - After reducing the fraction, the answer is 179/324
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/60-16/81 45/60-32/81 45/60-48/81 45/60-80/81