Subtract 16/42 from 54/60
54/60 - 16/42 is 109/210.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 42 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
54/60 = 54 × 7/60 × 7 = 378/420 - Likewise, for the 2nd fraction, since 42 × 10 = 420,
16/42 = 16 × 10/42 × 10 = 160/420 - Subtract the two like fractions:
378/420 - 160/420 = 378 - 160/420 = 218/420 - After reducing the fraction, the answer is 109/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/60-32/42 54/60-16/84 54/60-48/42 54/60-80/42