Subtract 6/16 from 54/15
1st number: 3 9/15, 2nd number: 6/16
54/15 - 6/16 is 129/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 16 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
54/15 = 54 × 16/15 × 16 = 864/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
6/16 = 6 × 15/16 × 15 = 90/240 - Subtract the two like fractions:
864/240 - 90/240 = 864 - 90/240 = 774/240 - After reducing the fraction, the answer is 129/40
- In mixed form: 39/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/15-12/16 54/30-6/16 54/15-6/32 54/15-18/16 54/45-6/16 54/15-6/48 54/15-30/16 54/75-6/16 54/15-6/80 54/15-42/16