Subtract 72/54 from 54/50
1st number: 1 4/50, 2nd number: 1 18/54
54/50 - 72/54 is -19/75.
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,
54/50 = 54 × 27/50 × 27 = 1458/1350 - Likewise, for the 2nd fraction, since 54 × 25 = 1350,
72/54 = 72 × 25/54 × 25 = 1800/1350 - Subtract the two like fractions:
1458/1350 - 1800/1350 = 1458 - 1800/1350 = -342/1350 - After reducing the fraction, the answer is -19/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: