Subtract 6/72 from 54/15
1st number: 3 9/15, 2nd number: 6/72
54/15 - 6/72 is 211/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 15 × 24 = 360,
54/15 = 54 × 24/15 × 24 = 1296/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
6/72 = 6 × 5/72 × 5 = 30/360 - Subtract the two like fractions:
1296/360 - 30/360 = 1296 - 30/360 = 1266/360 - After reducing the fraction, the answer is 211/60
- In mixed form: 331/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/15-12/72 54/30-6/72 54/15-18/72 54/45-6/72 54/15-30/72 54/75-6/72 54/15-42/72