Subtract 54/36 from 16/15
1st number: 1 1/15, 2nd number: 1 18/36
16/15 - 54/36 is -13/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 15 × 12 = 180,
16/15 = 16 × 12/15 × 12 = 192/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
54/36 = 54 × 5/36 × 5 = 270/180 - Subtract the two like fractions:
192/180 - 270/180 = 192 - 270/180 = -78/180 - After reducing the fraction, the answer is -13/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/15-54/36 16/30-54/36 16/15-54/72 48/15-54/36 16/45-54/36 80/15-54/36 16/75-54/36