Subtract 27/16 from 3/15
1st number: 3/15, 2nd number: 1 11/16
3/15 - 27/16 is -119/80.
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,
3/15 = 3 × 16/15 × 16 = 48/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
27/16 = 27 × 15/16 × 15 = 405/240 - Subtract the two like fractions:
48/240 - 405/240 = 48 - 405/240 = -357/240 - After reducing the fraction, the answer is -119/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/15-27/16 3/15-54/16 3/30-27/16 3/15-27/32 9/15-27/16 3/15-81/16 3/45-27/16 3/15-27/48 3/75-27/16 3/15-27/80 21/15-27/16