Subtract 42/72 from 54/10
1st number: 5 4/10, 2nd number: 42/72
54/10 - 42/72 is 289/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 10 × 36 = 360,
54/10 = 54 × 36/10 × 36 = 1944/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
42/72 = 42 × 5/72 × 5 = 210/360 - Subtract the two like fractions:
1944/360 - 210/360 = 1944 - 210/360 = 1734/360 - After reducing the fraction, the answer is 289/60
- In mixed form: 449/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/10-84/72 54/20-42/72 54/30-42/72 54/50-42/72 54/70-42/72