Subtract 45/50 from 15/27
15/27 - 45/50 is -31/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 50 is 1350
Next, find the equivalent fraction of both fractional numbers with denominator 1350 - For the 1st fraction, since 27 × 50 = 1350,
15/27 = 15 × 50/27 × 50 = 750/1350 - Likewise, for the 2nd fraction, since 50 × 27 = 1350,
45/50 = 45 × 27/50 × 27 = 1215/1350 - Subtract the two like fractions:
750/1350 - 1215/1350 = 750 - 1215/1350 = -465/1350 - After reducing the fraction, the answer is -31/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/27-45/50 15/27-90/50 15/54-45/50 45/27-45/50 15/81-45/50 75/27-45/50