Subtract 42/50 from 3/27
3/27 - 42/50 is -164/225.
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,
3/27 = 3 × 50/27 × 50 = 150/1350 - Likewise, for the 2nd fraction, since 50 × 27 = 1350,
42/50 = 42 × 27/50 × 27 = 1134/1350 - Subtract the two like fractions:
150/1350 - 1134/1350 = 150 - 1134/1350 = -984/1350 - After reducing the fraction, the answer is -164/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/27-42/50 3/27-84/50 3/54-42/50 9/27-42/50 3/81-42/50 15/27-42/50 21/27-42/50