Subtract 7/54 from 42/50
42/50 - 7/54 is 959/1350.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 54 is 1350
Next, find the equivalent fraction of both fractional numbers with denominator 1350 - For the 1st fraction, since 50 × 27 = 1350,
42/50 = 42 × 27/50 × 27 = 1134/1350 - Likewise, for the 2nd fraction, since 54 × 25 = 1350,
7/54 = 7 × 25/54 × 25 = 175/1350 - Subtract the two like fractions:
1134/1350 - 175/1350 = 1134 - 175/1350 = 959/1350
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/50-7/54 42/50-14/54 42/50-21/54 42/50-35/54 42/50-49/54