Subtract 3/16 from 27/15
1st number: 1 12/15, 2nd number: 3/16
27/15 - 3/16 is 129/80.
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,
27/15 = 27 × 16/15 × 16 = 432/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
3/16 = 3 × 15/16 × 15 = 45/240 - Subtract the two like fractions:
432/240 - 45/240 = 432 - 45/240 = 387/240 - After reducing the fraction, the answer is 129/80
- In mixed form: 149/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/15-3/16 27/15-6/16 27/30-3/16 27/15-3/32 81/15-3/16 27/15-9/16 27/45-3/16 27/15-3/48 27/15-15/16 27/75-3/16 27/15-3/80 27/15-21/16